APA (7th ed.) Citation

Summer Institute of Linguistics, Farr, C. J., & Farr, J. B. (1980). Korafe rika da book = Korafe bird book. Summer Institute of Lingustics.

Chicago Style (17th ed.) Citation

Summer Institute of Linguistics, Cynthia J.M Farr, and James B. Farr. Korafe Rika Da Book = Korafe Bird Book. Ukarumpa: Summer Institute of Lingustics, 1980.

MLA (9th ed.) Citation

Summer Institute of Linguistics, et al. Korafe Rika Da Book = Korafe Bird Book. Summer Institute of Lingustics, 1980.