APA (7th ed.) Citation

Ryff, P. F. (1988). Electric machinery (1. print.). Prentice Hall.

Chicago Style (17th ed.) Citation

Ryff, Peter F. Electric Machinery. 1. print. Englewood Cliffs: Prentice Hall, 1988.

MLA (9th ed.) Citation

Ryff, Peter F. Electric Machinery. 1. print. Prentice Hall, 1988.