Dyfyniad APA

Koestler, A. (1964). The act of creation. Dell Publishing.

Dyfyniad Arddull Chicago

Koestler, Arthur. The Act of Creation. New York: Dell Publishing, 1964.

Dyfyniad MLA

Koestler, Arthur. The Act of Creation. Dell Publishing, 1964.

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