APA (7th ed.) Citation

Katzan, H. (1981). Invitation to Forth. Petrocelli.

Chicago Style (17th ed.) Citation

Katzan, Harry. Invitation to Forth. New York [u.a.]: Petrocelli, 1981.

MLA (9th ed.) Citation

Katzan, Harry. Invitation to Forth. Petrocelli, 1981.