Bernhard, E., & Bernhard, D. (1996). A ride on mother's back: A day of baby carrying around the world. Harcourt Brace & Co..
Cita Chicago Style (17a ed.)Bernhard, Emery, y Durga Bernhard. A Ride on Mother's Back: A Day of Baby Carrying Around the World. San Diego: Harcourt Brace & Co., 1996.
Cita MLA (8a ed.)Bernhard, Emery, y Durga Bernhard. A Ride on Mother's Back: A Day of Baby Carrying Around the World. Harcourt Brace & Co., 1996.
Precaución: Estas citas no son 100% exactas.