APA (7th ed.) Citation

Edwards, L. E. (1973). PL/I for business applications. Reston Pub. Co..

Chicago Style (17th ed.) Citation

Edwards, Leonard E. PL/I for Business Applications. Reston, Va.: Reston Pub. Co., 1973.

MLA (9th ed.) Citation

Edwards, Leonard E. PL/I for Business Applications. Reston Pub. Co., 1973.