Cita APA (7th ed.)

Nagelberg, M., & Little, D. L. (1970). Selected urban simulations and games. Institute for the Future.

Cita Chicago (17th ed.)

Nagelberg, Mark, i Dennis L. Little. Selected Urban Simulations and Games. Middletown, Conn.: Institute for the Future, 1970.

Cita MLA (8th ed.)

Nagelberg, Mark, i Dennis L. Little. Selected Urban Simulations and Games. Institute for the Future, 1970.