Heilman, R. B., Alexander, E., Dunn, R. J., & Jaussen, P. (2009). Robert B. Heilman: His life in letters. University of Washington Press.
芝加哥风格引文Heilman, Robert Bechtold, Edward Alexander, Richard J. Dunn, 与 Paul Jaussen. Robert B. Heilman: His Life in Letters. Seattle: University of Washington Press, 2009.
MLA引文Heilman, Robert Bechtold, et al. Robert B. Heilman: His Life in Letters. University of Washington Press, 2009.
警告：这些引文格式不一定是100％准确.