APA (7th ed.) Citation

Crocombe, R. G., & Hogbin, G. R. (1963). The Erap mechanical farming project. New Guinea Research Unit.

Chicago Style (17th ed.) Citation

Crocombe, Ronald G., and G. R. Hogbin. The Erap Mechanical Farming Project. Canberra [u.a.]: New Guinea Research Unit, 1963.

MLA (9th ed.) Citation

Crocombe, Ronald G., and G. R. Hogbin. The Erap Mechanical Farming Project. New Guinea Research Unit, 1963.