Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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