APA (7th ed.) Citation

Kunkel, T. E. (1984). Field efficiency of nitrogen fertilizers surface applied on bermudagrass. [publisher not identified].

Chicago Style (17th ed.) Citation

Kunkel, Timothy Edward. Field Efficiency of Nitrogen Fertilizers Surface Applied on Bermudagrass. [Place of publication not identified]: [publisher not identified], 1984.

MLA (9th ed.) Citation

Kunkel, Timothy Edward. Field Efficiency of Nitrogen Fertilizers Surface Applied on Bermudagrass. [publisher not identified], 1984.