APA (7th ed.) Citation

Voich, D., Froemke, R. L., & Wren, D. A. (1968). Principles of management: Resources and systems. Ronald Press.

Chicago Style (17th ed.) Citation

Voich, Dan, Robert Lawrence Froemke, and Daniel A. Wren. Principles of Management: Resources and Systems. New York: Ronald Press, 1968.

MLA (9th ed.) Citation

Voich, Dan, et al. Principles of Management: Resources and Systems. Ronald Press, 1968.