Cita APA (7th ed.)

Cunningham, D. (1988). It's fun to choose. The Standard publishing.

Cita Chicago (17th ed.)

Cunningham, Dru. It's Fun to Choose. Cincinnati: The Standard publishing, 1988.

Cita MLA (9th ed.)

Cunningham, Dru. It's Fun to Choose. The Standard publishing, 1988.