APA (7th ed.) Citation

Hole, E. (1946). Farm machinery and equipment. [publisher not identified].

Chicago Style (17th ed.) Citation

Hole, Erling. Farm Machinery and Equipment. [Washington]: [publisher not identified], 1946.

MLA (9th ed.) Citation

Hole, Erling. Farm Machinery and Equipment. [publisher not identified], 1946.

Warning: These citations may not always be 100% accurate.