Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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