Cita APA (7th ed.)

Hardin, G. (1969). Science and controversy; population, a case study. W. H. Freeman.

Cita Chicago (17th ed.)

Hardin, Garrett. Science and Controversy; Population, a Case Study. San Francisco: W. H. Freeman, 1969.

Cita MLA (8th ed.)

Hardin, Garrett. Science and Controversy; Population, a Case Study. W. H. Freeman, 1969.