APA (7th ed.) Citation

Ledgard, H. F. (1986). Professional Pascal: Essays in the practice of programming. Addison-Wesley Pub. Co..

Chicago Style (17th ed.) Citation

Ledgard, Henry F. Professional Pascal: Essays in the Practice of Programming. Reading, Mass.: Addison-Wesley Pub. Co., 1986.

MLA (9th ed.) Citation

Ledgard, Henry F. Professional Pascal: Essays in the Practice of Programming. Addison-Wesley Pub. Co., 1986.