APA (7th ed.) Citation

Helman, P., & Veroff, R. (1986). Intermediate problem solving and data structures: Walls and mirrors. Benjamin/Cummings.

Chicago Style (17th ed.) Citation

Helman, Paul, and Robert Veroff. Intermediate Problem Solving and Data Structures: Walls and Mirrors. Menlo Park, Calif. u.a: Benjamin/Cummings, 1986.

MLA (9th ed.) Citation

Helman, Paul, and Robert Veroff. Intermediate Problem Solving and Data Structures: Walls and Mirrors. Benjamin/Cummings, 1986.