APA (7th ed.) Citation

Derrick, R. V. (1949). Resistance of cottonseed to air flow. [publisher not identified].

Chicago Style (17th ed.) Citation

Derrick, Rue V. Resistance of Cottonseed to Air Flow. [College Station, Tex.]: [publisher not identified], 1949.

MLA (9th ed.) Citation

Derrick, Rue V. Resistance of Cottonseed to Air Flow. [publisher not identified], 1949.