MLA

Langston, Eugene, and Nikkyo Niwano. A Guide to the Threefold Lotus Sutra. Tokyo: Kosei, 1982.

APA

Langston, E., & Niwano, N. (1982). A guide to the Threefold Lotus Sutra. Tokyo: Kosei.

Chicago

Niwano, Nikkyo A Guide to the Threefold Lotus Sutra. Translated by Eugene Langston. Tokyo: Kosei, 1982.