APA (7th ed.) Citation

Clark, J. L., & Clark, L. (1985). HOW 4: A handbook for office workers. Kent Pub.

Chicago Style (17th ed.) Citation

Clark, James Leland, and Lyn Clark. HOW 4: A Handbook for Office Workers. Boston: Kent Pub, 1985.

MLA (9th ed.) Citation

Clark, James Leland, and Lyn Clark. HOW 4: A Handbook for Office Workers. Kent Pub, 1985.