APA (7th ed.) Citation

Katzan, H. (1981). Invitation to FORTH. Petrocelli Books.

Chicago Style (17th ed.) Citation

Katzan, Harry. Invitation to FORTH. Princeton: Petrocelli Books, 1981.

MLA (8th ed.) Citation

Katzan, Harry. Invitation to FORTH. Petrocelli Books, 1981.

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