Cita APA (7th ed.)

Kaufman, D. G. (2000). Biosphere 2000: Protecting our global environment (3rd ed.). Kendall/Hunt Publishing Co.

Cita Chicago (17th ed.)

Kaufman, Donald G. Biosphere 2000: Protecting Our Global Environment. 3rd ed. Dubuque, Iowa: Kendall/Hunt Publishing Co, 2000.

Cita MLA (9th ed.)

Kaufman, Donald G. Biosphere 2000: Protecting Our Global Environment. 3rd ed. Kendall/Hunt Publishing Co, 2000.