APA

Bahr R., . (1976). The virility factor : masculinity through testosterone, the male sex hormone. New York: Putnam Publishing.

Chicago

Bahr Robert, . 1976. The virility factor : masculinity through testosterone, the male sex hormone. New York: Putnam Publishing.

Harvard

Bahr R., . (1976). The virility factor : masculinity through testosterone, the male sex hormone. New York: Putnam Publishing.

MLA

Bahr Robert, . The virility factor : masculinity through testosterone, the male sex hormone. New York: Putnam Publishing. 1976.