Gray, W., & Davis, W. C. (1959). Historian's handbook: A key to the study and writing of history. Houghton Mifflin.
Chicago Style (17th ed.) CitationGray, Wood, and William Columbus Davis. Historian's Handbook: A Key to the Study and Writing of History. Boston: Houghton Mifflin, 1959.
MLA (9th ed.) CitationGray, Wood, and William Columbus Davis. Historian's Handbook: A Key to the Study and Writing of History. Houghton Mifflin, 1959.
Warning: These citations may not always be 100% accurate.