APA (7th ed.) Citation

Spence, M. K. (1932). William Penn: a bibliography: A tentative list of publications about him and his work. Pennsylvania Historical Commission.

Chicago Style (17th ed.) Citation

Spence, Mary K. William Penn: A Bibliography: A Tentative List of Publications About Him and His Work. Harrisburg: Pennsylvania Historical Commission, 1932.

MLA (9th ed.) Citation

Spence, Mary K. William Penn: A Bibliography: A Tentative List of Publications About Him and His Work. Pennsylvania Historical Commission, 1932.