APA (7th ed.) Citation

Crop Science Society of America & Callahan, L. M. (1977). Diseases of turfgrass. Crop Science Society of America.

Chicago Style (17th ed.) Citation

Crop Science Society of America and Lloyd M. Callahan. Diseases of Turfgrass. Madison, Wis.: Crop Science Society of America, 1977.

MLA (9th ed.) Citation

Crop Science Society of America and Lloyd M. Callahan. Diseases of Turfgrass. Crop Science Society of America, 1977.

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