Cita APA (7th ed.)

Primack, R. B. (2006). Essentials of conservation biology (4th ed.). Sinauer Associates, Inc.

Cita Chicago (17th ed.)

Primack, Richard B. Essentials of Conservation Biology. 4th ed. U.S.A: Sinauer Associates, Inc, 2006.

Cita MLA (9th ed.)

Primack, Richard B. Essentials of Conservation Biology. 4th ed. Sinauer Associates, Inc, 2006.