APA (7th ed.) Citation

Luhn, H. P., & Schultz, C. K. (1968). H. P. Luhn: pioneer of information science: Selected works. Spartan Books.

Chicago Style (17th ed.) Citation

Luhn, H. P., and Claire K. Schultz. H. P. Luhn: Pioneer of Information Science: Selected Works. New York: Spartan Books, 1968.

MLA (9th ed.) Citation

Luhn, H. P., and Claire K. Schultz. H. P. Luhn: Pioneer of Information Science: Selected Works. Spartan Books, 1968.