APA

Poplin D. E., . (1972). Communities: a survey of theories and methods of research. New York: Macmillan.

Chicago

Poplin Dennis E, . 1972. Communities: a survey of theories and methods of research. New York: Macmillan.

Harvard

Poplin D. E., . (1972). Communities: a survey of theories and methods of research. New York: Macmillan.

MLA

Poplin Dennis E, . Communities: a survey of theories and methods of research. New York: Macmillan. 1972.