MLA

Olcott, Henry S. The Buddhist Catechism. 45th ed. Wheaton: Theosophical publ. house, 1970.

APA

Olcott, H. S. (1970). The Buddhist catechism. 45th ed. Wheaton: Theosophical publ. house.

Chicago

Olcott, Henry S. The Buddhist Catechism. 45th ed. Wheaton: Theosophical publ. house, 1970.