APA (7e ed.) Bronvermelding

Ikeda, D., Inoue, Y., Watson, B., & Gage, R. L. (1980). Letters of four seasons. Kodansha International.

Chicago (17e ed.) Bronvermelding

Ikeda, Daisaku, Yasushi Inoue, Burton Watson, en Richard L. Gage. Letters of Four Seasons. Tokyo, Japan: Kodansha International, 1980.

MLA (9e ed.) Bronvermelding

Ikeda, Daisaku, et al. Letters of Four Seasons. Kodansha International, 1980.