APA (7th ed.) Citation

Hehner, E. C. R. (1993). A Practical Theory of Programming. Springer New York.

Chicago Style (17th ed.) Citation

Hehner, Eric C. R. A Practical Theory of Programming. New York, NY: Springer New York, 1993.

MLA (9th ed.) Citation

Hehner, Eric C. R. A Practical Theory of Programming. Springer New York, 1993.