APA (7th ed.) Citation

Chung, P. (1970). Swine wastes and methane. [publisher not identified].

Chicago Style (17th ed.) Citation

Chung, Po. Swine Wastes and Methane. [Place of publication not identified]: [publisher not identified], 1970.

MLA (9th ed.) Citation

Chung, Po. Swine Wastes and Methane. [publisher not identified], 1970.