APA (7th ed.) Citation

Wilkins, H. T. (1946). Mysteries of ancient South America. Rider & co.

Chicago Style (17th ed.) Citation

Wilkins, Harold T. Mysteries of Ancient South America. London, New York [etc.]: Rider & co, 1946.

MLA (8th ed.) Citation

Wilkins, Harold T. Mysteries of Ancient South America. Rider & co, 1946.