The Mahatma letters to A. P. Sinnett from the Mahatmas M. & K. H.,

MLA

Sinnett, A. P, and A. Trevor Barker. The Mahatma Letters to A. P. Sinnett From the Mahatmas M. & K. H.. London: Unwin, 1923.

APA

Sinnett, A. P, & Barker, A. Trevor. (1923). The Mahatma letters to A. P. Sinnett from the Mahatmas M. & K. H.. London: Unwin.

Chicago

Sinnett, A. P. The Mahatma Letters to A. P. Sinnett From the Mahatmas M. & K. H.,. Edited by A. Trevor Barker. London: Unwin, 1923.