APA (7th ed.) Zitazioa

Hrdlicka, A., Holmes, W. H., Willis, B., Wright, F. E., & Fenner, C. N. (1912). Early man in South America. Government Printing Office.

Chicago Style (17th ed.) Zitazioa

Hrdlicka, Ales, W. H. Holmes, Bailey Willis, Fred Eugene Wright, eta Clarence N. Fenner. Early Man in South America. Washington, D.C: Government Printing Office, 1912.

MLA (9th ed.) Zitazioa

Hrdlicka, Ales, et al. Early Man in South America. Government Printing Office, 1912.