The formats for references to chapters in edited books are:
Author, A. A., & Author, B. B. (year). Title of the chapter or entry. In A. Editor, B. Editor, & C. C. Editor (Eds.), Title of the book (pp. xxx-xxx). Location: Publisher.
Author, A. A., & Author, B. B. (year). Title of the chapter or entry. In A. Editor, B. Editor, & C. C. Editor (Eds.), Title of the book (pp. xxx-xxx). Retrieved from http://www.xxxxx
Author, A. A., & Author, B. B. (year). Title of the chapter or entry. In A. Editor, B. Editor, & C. C. Editor (Eds.), Title of the book (pp. xxx-xxx). https://doi.org/xx.xxxxx
Wade, S. E. (1981). Statistical designs for survey research. In G. H. Stempel III & B. H. Westley (Eds.), Research methods in mass communication (pp. 167-195). Englewood Cliffs, NJ: Prentice Hall.
Please note: If you use a chapter in an edited book, cite as specifically as possible: cite the chapter not the book as a whole. For the reference above the following citation in text is used: (Wade, 1981, p. 170).
Valls-Ferrer, M., & Mora, J. C. (2014). L2 fluency development in formal instruction and study abroad: The role of initial fluency level and language contact. In C. Pérez-Vidal (Ed.), Language acquisition in study abroad and formal instructional contexts (pp. 111-136). https://doi.org/10.1075/aals.13.07ch5
Quina, K., & Kanarian, M. A. (1988). Continuing education. In P. Bronstein & K. Quina (Eds.), Teaching a psychology of people: Resources for gender and sociocultural awareness (pp. 200-208). Retrieved from http://www.ebscohost.com/academic/psycinfo
Lippmann, W. (1966). Stereotypes. In B. Berelson & M. Janowitz (Eds.), Reader in public opinion and communication (2nd ed., pp. 67-75). New York, NY: The Free Press. (Reprinted from Public opinion, pp. 59-70, by W. Lippmann, 1922, New York, NY: Macmillan)
Graham, G. (2005). Behaviorism. In E. N. Zalta (Ed.), The Stanford encyclopedia of philosophy (Fall 2007 ed.). Retrieved from http://plato.stanford.edu/entries /behaviorism/
Heuristic. (n.d.). In Merriam-Webster’s online dictionary (11th ed.). Retrieved from http://www.m-w.com/dictionary/heuristic