APA (7th ed.) Zitazioa

Smith, G. h. (2001). Celsum's challenge: A skeptic's guide... White stone.

Chicago Style (17th ed.) Zitazioa

Smith, Gerald h. Celsum's Challenge: A Skeptic's Guide... anchorage: White stone, 2001.

MLA (9th ed.) Zitazioa

Smith, Gerald h. Celsum's Challenge: A Skeptic's Guide... White stone, 2001.