APA (7th ed.) Citation

Allen, L. A. (1973). Professional management: New concepts and proven practices. McGraw-Hill.

Chicago Style (17th ed.) Citation

Allen, Louis A. Professional Management: New Concepts and Proven Practices. New York: McGraw-Hill, 1973.

MLA (9th ed.) Citation

Allen, Louis A. Professional Management: New Concepts and Proven Practices. McGraw-Hill, 1973.