Cita APA (7a ed.)

Coupland, R. T. (1992). Natural grasslands: Introduction and western hemisphere. Elsevier.

Cita Chicago Style (17a ed.)

Coupland, Robert T. Natural Grasslands: Introduction and Western Hemisphere. Amsterdam: Elsevier, 1992.

Cita MLA (9a ed.)

Coupland, Robert T. Natural Grasslands: Introduction and Western Hemisphere. Elsevier, 1992.