APA (7th ed.) Citation

(1962). Plant analysis and fertilizer problems. W. F. Humphrey Press.

Chicago Style (17th ed.) Citation

Plant Analysis and Fertilizer Problems. Washington, Geneva, N.Y: W. F. Humphrey Press, 1962.

MLA (9th ed.) Citation

Plant Analysis and Fertilizer Problems. W. F. Humphrey Press, 1962.

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