APA (7th ed.) Citation

Stankard, M. F. (1986). Productivity by choice: The 20-to-1 principle. John Wiley.

Chicago Style (17th ed.) Citation

Stankard, Martin F. Productivity by Choice: The 20-to-1 Principle. New York: John Wiley, 1986.

MLA (9th ed.) Citation

Stankard, Martin F. Productivity by Choice: The 20-to-1 Principle. John Wiley, 1986.