APA način citiranja (7. izdanje)

Helman, P. (1986). Intermediate problem solving and data structures: Walls and mirrors. Cummings.

Čikaški stil citiranja (17. izdanje)

Helman, Paul. Intermediate Problem Solving and Data Structures: Walls and Mirrors. Menlo Park, Calif: Cummings, 1986.

MLA način citiranja (9. izdanje)

Helman, Paul. Intermediate Problem Solving and Data Structures: Walls and Mirrors. Cummings, 1986.