Style de citation APA (7e éd.)

Fry, L. J. (1974). Practical building of methane power plants for rural energy independence. Fry.

Style de citation Chicago (17e éd.)

Fry, L. John. Practical Building of Methane Power Plants for Rural Energy Independence. Santa Barbara, CA: Fry, 1974.

Style de citation MLA (8e éd.)

Fry, L. John. Practical Building of Methane Power Plants for Rural Energy Independence. Fry, 1974.