Cita APA (7a ed.)

Hailperin, M., Kaiser, B. K., & Knight, K. (1999). Concrete abstractions: An introduction to computer science using Scheme. Brooks/Cole Pub.

Cita Chicago Style (17a ed.)

Hailperin, Max, Barbara K. Kaiser, y Karl Knight. Concrete Abstractions: An Introduction to Computer Science Using Scheme. Pacific Grove: Brooks/Cole Pub, 1999.

Cita MLA (9a ed.)

Hailperin, Max, et al. Concrete Abstractions: An Introduction to Computer Science Using Scheme. Brooks/Cole Pub, 1999.