Παραπομπή APA

Severin, F. T. (1973). Discovering man in psychology: A humanistic approach. McGraw-Hill.

Παραπομπή Chicago Style

Severin, Frank T. Discovering Man in Psychology: A Humanistic Approach. New York: McGraw-Hill, 1973.

Παραπομπή MLA

Severin, Frank T. Discovering Man in Psychology: A Humanistic Approach. McGraw-Hill, 1973.