APA (7th ed.) Citation

Giles, D. D. (1929). A study of litters of hogs. [publisher not identified].

Chicago Style (17th ed.) Citation

Giles, Dorris David. A Study of Litters of Hogs. [College Station, Texas]: [publisher not identified], 1929.

MLA (9th ed.) Citation

Giles, Dorris David. A Study of Litters of Hogs. [publisher not identified], 1929.