MLA

Aitken, Robert, and W. S Merwin. A Zen Wave: Bashō's Haiku and Zen. New York: Weatherhill, 1978.

APA

Aitken, R., & Merwin, W. S. (1978). A zen wave: Bashō's haiku and zen. New York: Weatherhill.

Chicago

Aitken, Robert, and W. S Merwin. A Zen Wave: Bashō's Haiku and Zen. New York: Weatherhill, 1978.