APA (7th ed.) Citation

Hill, J. L. (1991). In vitro viability estimation and preservation of Cenchrus and Pennisetum pollen (Poaceae: Paniceae). [publisher not identified].

Chicago Style (17th ed.) Citation

Hill, Jerry Leon. In Vitro Viability Estimation and Preservation of Cenchrus and Pennisetum Pollen (Poaceae: Paniceae). [Place of publication not identified]: [publisher not identified], 1991.

MLA (9th ed.) Citation

Hill, Jerry Leon. In Vitro Viability Estimation and Preservation of Cenchrus and Pennisetum Pollen (Poaceae: Paniceae). [publisher not identified], 1991.