APA

Drooyan I., Hadel W. & Fleming F. J. (1973). Elementary algebra: structure and skills. New York: Wiley.

Chicago

Drooyan Irving, Hadel Walter and Fleming Frank J. 1973. Elementary algebra: structure and skills. New York: Wiley.

Harvard

Drooyan I., Hadel W. and Fleming F. J. (1973). Elementary algebra: structure and skills. New York: Wiley.

MLA

Drooyan Irving, Hadel Walter and Fleming Frank J. Elementary algebra: structure and skills. New York: Wiley. 1973.