APA (7th ed.) Citation

Cassel, D. (1978). PL 1: A structured approach (2d ed.). Reston Pub. Co..

Chicago Style (17th ed.) Citation

Cassel, Don. PL 1: A Structured Approach. 2d ed. Reston, Va.: Reston Pub. Co., 1978.

MLA (9th ed.) Citation

Cassel, Don. PL 1: A Structured Approach. 2d ed. Reston Pub. Co., 1978.