Style de citation APA (7e éd.)

Barborka, G. A. (1973). The mahatmas and their letters ([1st ed.].). Theosophical Pub. House.

Style de citation Chicago (17e éd.)

Barborka, Geoffrey A. The Mahatmas and Their Letters. [1st ed.]. Madras: Theosophical Pub. House, 1973.

Style de citation MLA (8e éd.)

Barborka, Geoffrey A. The Mahatmas and Their Letters. [1st ed.]. Theosophical Pub. House, 1973.