APA (7th ed.) Citation

Helman, P., & Veroff, R. (1988). Walls and mirrors: Intermediate problem solving and data structures (Modula-2 ed.). Benjamin/Cummings Pub. Co..

Chicago Style (17th ed.) Citation

Helman, Paul, and Robert Veroff. Walls and Mirrors: Intermediate Problem Solving and Data Structures. Modula-2 ed. Menlo Park, Calif.: Benjamin/Cummings Pub. Co., 1988.

MLA (9th ed.) Citation

Helman, Paul, and Robert Veroff. Walls and Mirrors: Intermediate Problem Solving and Data Structures. Modula-2 ed. Benjamin/Cummings Pub. Co., 1988.