APA (7th ed.) Citation

California Fertilizer Association. Soil Improvement Committee & Hawkes, G. R. (1969). Turfgrass fertilization. California Fertilizer Association.

Chicago Style (17th ed.) Citation

California Fertilizer Association. Soil Improvement Committee and George R. Hawkes. Turfgrass Fertilization. Sacramento: California Fertilizer Association, 1969.

MLA (9th ed.) Citation

California Fertilizer Association. Soil Improvement Committee and George R. Hawkes. Turfgrass Fertilization. California Fertilizer Association, 1969.

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