APA (7th ed.) Citation

Martin, G. (1990). 1987 Oklahoma turfgrass survey.

Chicago Style (17th ed.) Citation

Martin, Glenn. 1987 Oklahoma Turfgrass Survey. 1990.

MLA (9th ed.) Citation

Martin, Glenn. 1987 Oklahoma Turfgrass Survey. 1990.

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