APA (7th ed.) Citation

Powell, L. (1969). Communication and learning / by Len S. Powell. Pitman.

Chicago Style (17th ed.) Citation

Powell, Len. Communication and Learning / by Len S. Powell. London: Pitman, 1969.

MLA (9th ed.) Citation

Powell, Len. Communication and Learning / by Len S. Powell. Pitman, 1969.

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