Neuhold, E. J., Paul, M., & Apt, K. R. (1991). Formal description of programming concepts. Springer.
Chicago Style (17th ed.) CitationNeuhold, Erich J., Manfred Paul, and Krzysztof R. Apt. Formal Description of Programming Concepts. Berlin [etc.]: Springer, 1991.
MLA (9th ed.) CitationNeuhold, Erich J., et al. Formal Description of Programming Concepts. Springer, 1991.
Warning: These citations may not always be 100% accurate.