APA-Zitierstil (7. Ausg.)

Abdill, E. (2005). The secret gateway: Modern theosophy and the ancient wisdom tradition (1. Quest ed.). Quest Books.

Chicago-Zitierstil (17. Ausg.)

Abdill, Edward. The Secret Gateway: Modern Theosophy and the Ancient Wisdom Tradition. 1. Quest ed. Wheaton, Ill. [u.a.]: Quest Books, 2005.

MLA-Zitierstil (9. Ausg.)

Abdill, Edward. The Secret Gateway: Modern Theosophy and the Ancient Wisdom Tradition. 1. Quest ed. Quest Books, 2005.