Cita APA

Eiseley, L. The Invisible pyramid. Charles Scribner-s Sons.

Chicago Style (17th ed.) Citation

Eiseley, Loren. The Invisible Pyramid. Charles Scribner-s Sons.

Cita MLA

Eiseley, Loren. The Invisible Pyramid. Charles Scribner-s Sons.

Atenció: Aquestes cites poden no estar 100% correctes.