Cita APA (7th ed.)
Skutch, R., & Nienhaus, L. (1994). Who's in a family? Tricycle.
Cita Chicago (17th ed.)
Skutch, Robert, i Laura Nienhaus. Who's in a Family? Berkeley, CA: Tricycle, 1994.
Cita MLA (9th ed.)
Skutch, Robert, i Laura Nienhaus. Who's in a Family? Tricycle, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.