APA (7th ed.) Citation

Katzan, H. (1971). APL user's guide. Van Nostrand Reinhold Company.

Chicago Style (17th ed.) Citation

Katzan, Harry. APL User's Guide. New York: Van Nostrand Reinhold Company, 1971.

MLA (9th ed.) Citation

Katzan, Harry. APL User's Guide. Van Nostrand Reinhold Company, 1971.

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