Citazione Stile APA (7a Edizione)

Hardin, G. J. (1964). Population, evolution & birth control: A collage of controversial readings. W.H. Freeman.

Citazione stile Chigago Style (17a edizione)

Hardin, Garrett James. Population, Evolution & Birth Control: A Collage of Controversial Readings. San Francisco: W.H. Freeman, 1964.

Citatione MLA (9a ed.)

Hardin, Garrett James. Population, Evolution & Birth Control: A Collage of Controversial Readings. W.H. Freeman, 1964.