Strandberg, V. H. (1986). Robert Penn Warren. In P. Q. S. Series (Ed.), The Dictionary of Literary Biography, Volume 48: American Poets: 1880-1945 (pp. 425–444). Detroit: Bruccoli Clark.

Strandberg, V. H. “Robert Penn Warren.” In The Dictionary of Literary Biography, Volume 48: American Poets: 1880-1945, edited by Peter Quartermain Second Series, 425–44. Detroit: Bruccoli Clark, 1986.

Strandberg VH. Robert Penn Warren. In: Series PQS, editor. The Dictionary of Literary Biography, Volume 48: American Poets: 1880-1945. Detroit: Bruccoli Clark; 1986. p. 425–44.

Strandberg, V. H. “Robert Penn Warren.” The Dictionary of Literary Biography, Volume 48: American Poets: 1880-1945, edited by Peter Quartermain Second Series, Detroit: Bruccoli Clark, 1986, pp. 425–44.

Strandberg VH. Robert Penn Warren. In: Series PQS, editor. The Dictionary of Literary Biography, Volume 48: American Poets: 1880-1945. Detroit: Bruccoli Clark; 1986. p. 425–44.