Cita APA

Hardin, G. J. 1. (1969). Population evolution and birth control: A collage of controversial ideas (2. edition.). San Francisco: W. H. Freeman and Company.

Citación estilo Chicago

Hardin, Garrett James 1915-2003. Population Evolution and Birth Control: A Collage of Controversial Ideas. 2. edition. San Francisco: W. H. Freeman and Company, 1969.

Cita MLA

Hardin, Garrett James 1915-2003. Population Evolution and Birth Control: A Collage of Controversial Ideas. 2. edition. San Francisco: W. H. Freeman and Company, 1969.