Cita APA (7th ed.)

Almekinders, C., & Boef, W. d. (2000). Encouraging diversity: The conservation and development of plant genetic resources.

Cita Chicago (17th ed.)

Almekinders, Conny, i Walter de Boef. Encouraging Diversity: The Conservation and Development of Plant Genetic Resources. London, 2000.

Cita MLA (9th ed.)

Almekinders, Conny, i Walter de Boef. Encouraging Diversity: The Conservation and Development of Plant Genetic Resources. 2000.