Cita APA (7th ed.)

Hartman, A. (1977). The calculator game book for kids of all ages. New American Library.

Cita Chicago (17th ed.)

Hartman, Arlene. The Calculator Game Book for Kids of All Ages. New York: New American Library, 1977.

Cita MLA (8th ed.)

Hartman, Arlene. The Calculator Game Book for Kids of All Ages. New American Library, 1977.