Style de citation APA

Frankel, O. H., & Hawkes, J. G. (1975). Crop genetic resources for today and tomorrow. Cambridge university press.

Style de citation Chicago

Frankel, O H., et J G. Hawkes. Crop Genetic Resources for Today and Tomorrow. London: Cambridge university press, 1975.

Style de citation MLA

Frankel, O H., et J G. Hawkes. Crop Genetic Resources for Today and Tomorrow. Cambridge university press, 1975.