APA (7th ed.) Citation

Zabcik, W. L. (1951). A preliminary study of perennial cucurbits. [publisher not identified].

Chicago Style (17th ed.) Citation

Zabcik, William Lee. A Preliminary Study of Perennial Cucurbits. [College Station, Tex.]: [publisher not identified], 1951.

MLA (9th ed.) Citation

Zabcik, William Lee. A Preliminary Study of Perennial Cucurbits. [publisher not identified], 1951.