APA (7th ed.) Citation

Harveson, R. M. (1989). The identification and distribution of viruses infecting cucurbits in Texas. [publisher not identified].

Chicago Style (17th ed.) Citation

Harveson, Robert M. The Identification and Distribution of Viruses Infecting Cucurbits in Texas. [Place of publication not identified]: [publisher not identified], 1989.

MLA (9th ed.) Citation

Harveson, Robert M. The Identification and Distribution of Viruses Infecting Cucurbits in Texas. [publisher not identified], 1989.