APA (7th ed.) Citation

Drooyan, I. G. (1966). Elementary algebra: Structure and skills. John Wiley.

Chicago Style (17th ed.) Citation

Drooyan, Irving G. Elementary Algebra: Structure and Skills. New York: John Wiley, 1966.

MLA (9th ed.) Citation

Drooyan, Irving G. Elementary Algebra: Structure and Skills. John Wiley, 1966.