APA (7th ed.) Citation

Wright, J. M. (1921). The free Negro in Maryland, 1634-1860. Columbia university; [etc., etc.].

Chicago Style (17th ed.) Citation

Wright, James Martin. The Free Negro in Maryland, 1634-1860. New York: Columbia university; [etc., etc.], 1921.

MLA (9th ed.) Citation

Wright, James Martin. The Free Negro in Maryland, 1634-1860. Columbia university; [etc., etc.], 1921.

Warning: These citations may not always be 100% accurate.