APA (7th ed.) Citation

Severn, B., & Severn, S. (1958). How to turn extra time into extra money. Bartholomew House.

Chicago Style (17th ed.) Citation

Severn, Bill, and Susan Severn. How to Turn Extra Time into Extra Money. New York: Bartholomew House, 1958.

MLA (9th ed.) Citation

Severn, Bill, and Susan Severn. How to Turn Extra Time into Extra Money. Bartholomew House, 1958.

Warning: These citations may not always be 100% accurate.