Cita APA

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

Citación estilo Chicago

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

Cita MLA

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