APA Citation

Ahlgren, G. H. 1., & Ahlgren, G. H. 1. (1956). Forage crops (2. edition.). New York, New York: McGraw-Hill.

Chicago Style Citation

Ahlgren, Gilbert Harold 1913-, and Gilbert Harold 1913- Ahlgren. Forage Crops. 2. edition. New York, New York: McGraw-Hill, 1956.

MLA Citation

Ahlgren, Gilbert Harold 1913-, and Gilbert Harold 1913- Ahlgren. Forage Crops. 2. edition. New York, New York: McGraw-Hill, 1956.

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