APA (7th ed.) Citation

Watkins, J. R. (1959). Salmonella organisms in animal products used in poultry feeds. [publisher not identified].

Chicago Style (17th ed.) Citation

Watkins, John Ray. Salmonella Organisms in Animal Products Used in Poultry Feeds. [Place of publication not identified]: [publisher not identified], 1959.

MLA (9th ed.) Citation

Watkins, John Ray. Salmonella Organisms in Animal Products Used in Poultry Feeds. [publisher not identified], 1959.