APA (7th ed.) Citation

Seigler, D. S. (1977). Crop resources. Academic Press Inc.

Chicago Style (17th ed.) Citation

Seigler, David S.crop. Crop Resources. Academic Press Inc, 1977.

MLA (8th ed.) Citation

Seigler, David S.crop. Crop Resources. Academic Press Inc, 1977.

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