Cita APA

Helms, M. W., & Helms, M. W. (1979). Ancient Panama: Chief in search of power. Austin: University of Texas Press.

Citación estilo Chicago

Helms, Mary W., y Mary W. Helms. Ancient Panama: Chief in Search of Power. Austin: University of Texas Press, 1979.

Cita MLA

Helms, Mary W., y Mary W. Helms. Ancient Panama: Chief in Search of Power. Austin: University of Texas Press, 1979.