APA (7 ম সংস্করণ) উদ্ধৃতি

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

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

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

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

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