Heffner, R. D., & Heffner, R. D. (1965). A documentary history of the United States (6. ed.). New York, New York: New American Library.
Chicago Style CitationHeffner, Richard D., and Richard D. Heffner. A Documentary History of the United States. 6. ed. New York, New York: New American Library, 1965.
MLA CitationHeffner, Richard D., and Richard D. Heffner. A Documentary History of the United States. 6. ed. New York, New York: New American Library, 1965.
Warning: These citations may not always be 100% accurate.