APA (7th ed.) Citation

Nye, J. L. (1999). Twice upon a time. Daw Books.

Chicago Style (17th ed.) Citation

Nye, Jody Lynn. Twice upon a Time. New York: Daw Books, 1999.

MLA (9th ed.) Citation

Nye, Jody Lynn. Twice upon a Time. Daw Books, 1999.

Warning: These citations may not always be 100% accurate.