APA (7th ed.) Citation

Powell, L. C. (1964). The three L's. The Press in the Gatehouse.

Chicago Style (17th ed.) Citation

Powell, Lawrence Clark. The Three L's. Los Angeles: The Press in the Gatehouse, 1964.

MLA (9th ed.) Citation

Powell, Lawrence Clark. The Three L's. The Press in the Gatehouse, 1964.