Cita APA (7a ed.)

Ra, H., Kim, W., & Merrill, C. (2009). Scale and stairs: Selected poems of Heeduck Ra. White Pine Press.

Cita Chicago Style (17a ed.)

Ra, Heeduck, Won-Chung Kim, y Christopher Merrill. Scale and Stairs: Selected Poems of Heeduck Ra. Buffalo, N.Y.: White Pine Press, 2009.

Cita MLA (9a ed.)

Ra, Heeduck, et al. Scale and Stairs: Selected Poems of Heeduck Ra. White Pine Press, 2009.