Cita APA (7a ed.)

Sperling, L., & Loevinsohn, M. (1996). Using Diversity: Enhancing and Maintaining Genetic Resources on Farm. International Development Research Centre.

Cita Chicago Style (17a ed.)

Sperling, Louise, y Michael Loevinsohn. Using Diversity: Enhancing and Maintaining Genetic Resources on Farm. New Delhi: International Development Research Centre, 1996.

Cita MLA (9a ed.)

Sperling, Louise, y Michael Loevinsohn. Using Diversity: Enhancing and Maintaining Genetic Resources on Farm. International Development Research Centre, 1996.