Cita APA (7th ed.)

Chiras D. D. Daniel D. (1991). Environmental science: Action for a Sustainable Future (3-d ed.). California, The Benjamin/Cummings Publishing Company, 1991.

Cita Chicago (17th ed.)

Chiras D. D. Daniel D. Environmental Science: Action for a Sustainable Future. 3-d ed. California, The Benjamin/Cummings Publishing Company, 1991, 1991.

Cita MLA (9th ed.)

Chiras D. D. Daniel D. Environmental Science: Action for a Sustainable Future. 3-d ed. California, The Benjamin/Cummings Publishing Company, 1991, 1991.