APA (7th ed.) Citation

Balkan, E. (1983). The directory of software publishers: How and where to sell your program. Van Nostrand Reinhold.

Chicago Style (17th ed.) Citation

Balkan, Eric. The Directory of Software Publishers: How and Where to Sell Your Program. New York: Van Nostrand Reinhold, 1983.

MLA (9th ed.) Citation

Balkan, Eric. The Directory of Software Publishers: How and Where to Sell Your Program. Van Nostrand Reinhold, 1983.