Layton, E., & Layton, F. (1969). Theosophy: Key to understanding (2. Quest book print.). Theosophical Publ. House.
Style de citation Chicago (17e éd.)Layton, Eunice, et Felix Layton. Theosophy: Key to Understanding. 2. Quest book print. Wheaton, Ill. [u.a.]: Theosophical Publ. House, 1969.
Style de citation MLA (8e éd.)Layton, Eunice, et Felix Layton. Theosophy: Key to Understanding. 2. Quest book print. Theosophical Publ. House, 1969.
Attention : ces citations peuvent ne pas être correctes à 100%.