APA (7th ed.) Citation

Holden, J. H. W., & Williams, J. T. (1984). Crop genetic resources. George Allen.

Chicago Style (17th ed.) Citation

Holden, J. H. W., and J. T. Williams. Crop Genetic Resources. London: George Allen, 1984.

MLA (9th ed.) Citation

Holden, J. H. W., and J. T. Williams. Crop Genetic Resources. George Allen, 1984.

Warning: These citations may not always be 100% accurate.