MLA

Paramhansa Yogananda, and W. Y Evans-Wentz. Autobiography of a Yogi. Revised and enlarged London: Rider, 1950.

APA

Paramhansa Yogananda, P. Yogananda, & Evans-Wentz, W. Y. (1950). Autobiography of a Yogi. Revised and enlarged London: Rider.

Chicago

Paramhansa Yogananda, and W. Y Evans-Wentz. Autobiography of a Yogi. Revised and enlarged London: Rider, 1950.