Cita APA (7a ed.)

Barrows, A., & Blackall, S. (2008). Ivy + Bean break the fossil record (1st pbk. ed.). Chronicle Books.

Cita Chicago Style (17a ed.)

Barrows, Annie, y Sophie Blackall. Ivy + Bean Break the Fossil Record. 1st pbk. ed. San Francisco: Chronicle Books, 2008.

Cita MLA (8a ed.)

Barrows, Annie, y Sophie Blackall. Ivy + Bean Break the Fossil Record. 1st pbk. ed. Chronicle Books, 2008.

Precaución: Estas citas no son 100% exactas.