Cita APA (7th ed.)

Tompkins, P., & Stecchini, L. C. (1971). Secrets of the Great Pyramid ([1st ed.].). Harper & Row.

Cita Chicago (17th ed.)

Tompkins, Peter, i Livio Catullo Stecchini. Secrets of the Great Pyramid. [1st ed.]. New York: Harper & Row, 1971.

Cita MLA (9th ed.)

Tompkins, Peter, i Livio Catullo Stecchini. Secrets of the Great Pyramid. [1st ed.]. Harper & Row, 1971.