APA (7th ed.) Citation

Laycock, D. C. (1973). Sepik languages: Checklist and preliminary classification. The Australian National University, Research School of Pacific Studies, Dept. of Linguistcs.

Chicago Style (17th ed.) Citation

Laycock, D. C. Sepik Languages: Checklist and Preliminary Classification. [Canberra]: The Australian National University, Research School of Pacific Studies, Dept. of Linguistcs, 1973.

MLA (9th ed.) Citation

Laycock, D. C. Sepik Languages: Checklist and Preliminary Classification. The Australian National University, Research School of Pacific Studies, Dept. of Linguistcs, 1973.