Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.