Cita APA (7th ed.)

Holden, J. (1984). Crop genetic resources: Conservation and evaluation. George Allen and Unwin.

Cita Chicago (17th ed.)

Holden, J.H. Crop Genetic Resources: Conservation and Evaluation. London: George Allen and Unwin, 1984.

Cita MLA (9th ed.)

Holden, J.H. Crop Genetic Resources: Conservation and Evaluation. George Allen and Unwin, 1984.