Cita APA (7a ed.)

Chiras, D. D. (1994). Environmental science. Action for a sustainable future (4a ed.). Benjamin/Cummings Publishing Company Inc.

Cita Chicago Style (17a ed.)

Chiras, Daniel D. Environmental Science. Action for a Sustainable Future. 4a ed. California: Benjamin/Cummings Publishing Company Inc, 1994.

Cita MLA (9a ed.)

Chiras, Daniel D. Environmental Science. Action for a Sustainable Future. 4a ed. Benjamin/Cummings Publishing Company Inc, 1994.