APA Citation

Dale Varberg, & Edwin J. Purcell. (1997). Calculus seventh edition. Singapore: Prentice Hall International, Inc..

Chicago Style Citation

Dale Varberg, and Edwin J. Purcell. Calculus Seventh Edition. Singapore: Prentice Hall International, Inc., 1997.

MLA Citation

Dale Varberg, and Edwin J. Purcell. Calculus Seventh Edition. Singapore: Prentice Hall International, Inc., 1997.

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