APA (7th ed.) Citation

Powell, L. S. (1973). Lecturing. Pitman publishing.

Chicago Style (17th ed.) Citation

Powell, Len S. Lecturing. London: Pitman publishing, 1973.

MLA (8th ed.) Citation

Powell, Len S. Lecturing. Pitman publishing, 1973.

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