Cita APA (7th ed.)

Given, D. R. (1994). Principles and practice of plant conservation. Timber Press.

Cita Chicago (17th ed.)

Given, David R. Principles and Practice of Plant Conservation. Portland: Timber Press, 1994.

Cita MLA (9th ed.)

Given, David R. Principles and Practice of Plant Conservation. Timber Press, 1994.