APA (7th ed.) Citation

Porchia, A., & Merwin, W. S. (2003). Voices (1st Copper Canyon Press ed.). Copper Canyon Press.

Chicago Style (17th ed.) Citation

Porchia, Antonio, and W. S. Merwin. Voices. 1st Copper Canyon Press ed. Port Townsend, Wash.: Copper Canyon Press, 2003.

MLA (9th ed.) Citation

Porchia, Antonio, and W. S. Merwin. Voices. 1st Copper Canyon Press ed. Copper Canyon Press, 2003.