Citazione Stile APA (7a Edizione)

Tompkins, P. (1981). The magic of obelisks (First edition.). Harper & Row, Publishers.

Citazione stile Chigago Style (17a edizione)

Tompkins, Peter. The Magic of Obelisks. First edition. New York: Harper & Row, Publishers, 1981.

Citatione MLA (9a ed.)

Tompkins, Peter. The Magic of Obelisks. First edition. Harper & Row, Publishers, 1981.