Cita APA (7th ed.)

Prosser, R. (1992). Human systems and the environment. Nelson.

Cita Chicago (17th ed.)

Prosser, Robert. Human Systems and the Environment. Walton-on-Thames, Surry, [Eng.]: Nelson, 1992.

Cita MLA (9th ed.)

Prosser, Robert. Human Systems and the Environment. Nelson, 1992.