APA

Garrett A. M., Zaki E. P. & Mangold M. M. (1972). Interviewing, its principles and methods. New York: Family Service Association of America.

Chicago

Garrett Annette Marie, Zaki Elinor P and Mangold Margaret M. 1972. Interviewing, its principles and methods. New York: Family Service Association of America.

Harvard

Garrett A. M., Zaki E. P. and Mangold M. M. (1972). Interviewing, its principles and methods. New York: Family Service Association of America.

MLA

Garrett Annette Marie, Zaki Elinor P and Mangold Margaret M. Interviewing, its principles and methods. New York: Family Service Association of America. 1972.