APA (7th ed.) Citation

Bradley, M. Z. (1979). The forbidden tower. Gregg Press.

Chicago Style (17th ed.) Citation

Bradley, Marion Zimmer. The Forbidden Tower. Boston: Gregg Press, 1979.

MLA (8th ed.) Citation

Bradley, Marion Zimmer. The Forbidden Tower. Gregg Press, 1979.

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