APA (7th ed.) Zitazioa
Ellens, J. H. (2009). The spirituality of sex. Praeger Publishers.
Chicago Style (17th ed.) Zitazioa
Ellens, J. Harold. The Spirituality of Sex. Westport, Conn.: Praeger Publishers, 2009.
MLA (9th ed.) Zitazioa
Ellens, J. Harold. The Spirituality of Sex. Praeger Publishers, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.