APA (7th ed.) Citation

Clute, J., Grant, J., & Ashley, M. (1999). The encyclopedia of fantasy. Orbit.

Chicago Style (17th ed.) Citation

Clute, John, John Grant, and Michael Ashley. The Encyclopedia of Fantasy. London: Orbit, 1999.

MLA (9th ed.) Citation

Clute, John, et al. The Encyclopedia of Fantasy. Orbit, 1999.