APA (7th ed.) Citation

Bingham, A. M. (1989). Portrait of an explorer: Hiram Bingham, discoverer of Machu Picchu. Iowa State University Press.

Chicago Style (17th ed.) Citation

Bingham, Alfred M. Portrait of an Explorer: Hiram Bingham, Discoverer of Machu Picchu. Ames: Iowa State University Press, 1989.

MLA (9th ed.) Citation

Bingham, Alfred M. Portrait of an Explorer: Hiram Bingham, Discoverer of Machu Picchu. Iowa State University Press, 1989.