Cita APA (7th ed.)

Heilman, R. B., Alexander, E., Dunn, R. J., & Jaussen, P. (2009). Robert B. Heilman: His life in letters. University of Washington Press.

Cita Chicago (17th ed.)

Heilman, Robert Bechtold, Edward Alexander, Richard J. Dunn, i Paul Jaussen. Robert B. Heilman: His Life in Letters. Seattle: University of Washington Press, 2009.

Cita MLA (9th ed.)

Heilman, Robert Bechtold, et al. Robert B. Heilman: His Life in Letters. University of Washington Press, 2009.