Cita APA (7a ed.)

Shaw, N., & Apple, M. (1989). Sheep on a ship. Houghton Mifflin.

Cita Chicago Style (17a ed.)

Shaw, Nancy, y Margot Apple. Sheep on a Ship. Boston: Houghton Mifflin, 1989.

Cita MLA (8a ed.)

Shaw, Nancy, y Margot Apple. Sheep on a Ship. Houghton Mifflin, 1989.

Precaución: Estas citas no son 100% exactas.