APA (7th ed.) Citation

Powell, L. C. (1966). You, John Milton: An address. The Library, University of Oklahoma.

Chicago Style (17th ed.) Citation

Powell, Lawrence Clark. You, John Milton: An Address. Norman: The Library, University of Oklahoma, 1966.

MLA (9th ed.) Citation

Powell, Lawrence Clark. You, John Milton: An Address. The Library, University of Oklahoma, 1966.