APA (7th ed.) Citation

Griffiths, D. (1908). Prickly pear as farm crop. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Griffiths, David. Prickly Pear as Farm Crop. [Washington, D.C.]: U.S. Government Printing Office, 1908.

MLA (9th ed.) Citation

Griffiths, David. Prickly Pear as Farm Crop. U.S. Government Printing Office, 1908.

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