APA (7th ed.) Citation

Barrett, H. J. (1918). Modern methods in the office: How to cut corners and save money. Harper.

Chicago Style (17th ed.) Citation

Barrett, Harold James. Modern Methods in the Office: How to Cut Corners and Save Money. New York, London: Harper, 1918.

MLA (8th ed.) Citation

Barrett, Harold James. Modern Methods in the Office: How to Cut Corners and Save Money. Harper, 1918.