APA-referens (7:e uppl.)

Smith, R., Baker, P., & Kaplan, H. (2014). The selected letters of Robert Creeley. University of California Press.

Chicago-referens (17:e uppl.)

Smith, Rod, Peter Baker, och Harris Kaplan. The Selected Letters of Robert Creeley. Berkeley and Los Angeles, California ; London: University of California Press, 2014.

MLA-referens (9:e uppl.)

Smith, Rod, et al. The Selected Letters of Robert Creeley. University of California Press, 2014.