Cita APA (7a ed.)
Foster, M., & Foster, M. (1989). The monarchs are flying. Pandora Pr.
Cita Chicago Style (17a ed.)
Foster, Marion, y Marion Foster. The Monarchs Are Flying. London: Pandora Pr, 1989.
Cita MLA (9a ed.)
Foster, Marion, y Marion Foster. The Monarchs Are Flying. Pandora Pr, 1989.
Precaución: Estas citas no son 100% exactas.