Cita APA (7th ed.)

Hagen, V. W. v., & Beltrán, A. (1961). The ancient sun kingdoms of the Americas: Aztec, Maya, Inca / Victor Wolfgang von Hagen. World Publ. Co..

Cita Chicago (17th ed.)

Hagen, Victor Wolfgang von, i Alberto Beltrán. The Ancient Sun Kingdoms of the Americas: Aztec, Maya, Inca / Victor Wolfgang Von Hagen. Cleveland [u.a.]: World Publ. Co., 1961.

Cita MLA (8th ed.)

Hagen, Victor Wolfgang von, i Alberto Beltrán. The Ancient Sun Kingdoms of the Americas: Aztec, Maya, Inca / Victor Wolfgang Von Hagen. World Publ. Co., 1961.