Cita APA (7th ed.)

Miller, G. T. (1991). Environmental science sustaining the earth (3rd ed.). Wadsworth.

Cita Chicago (17th ed.)

Miller, G. Tyler. Environmental Science Sustaining the Earth. 3rd ed. Belmont: Wadsworth, 1991.

Cita MLA (9th ed.)

Miller, G. Tyler. Environmental Science Sustaining the Earth. 3rd ed. Wadsworth, 1991.