APA (7th ed.) Citation

Walla, W. (1976). Soybean diseases. Texas Agricultural Extension Service.

Chicago Style (17th ed.) Citation

Walla, Walter. Soybean Diseases. College Station, Texas: Texas Agricultural Extension Service, 1976.

MLA (9th ed.) Citation

Walla, Walter. Soybean Diseases. Texas Agricultural Extension Service, 1976.

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