Cita APA (7th ed.)

Primack, R. B. (2002). Essentials of conservation biology (Third edition.). Sinauer Associates.

Cita Chicago (17th ed.)

Primack, Richard B. Essentials of Conservation Biology. Third edition. Sunderland, Massachusetts: Sinauer Associates, 2002.

Cita MLA (9th ed.)

Primack, Richard B. Essentials of Conservation Biology. Third edition. Sinauer Associates, 2002.