Lewin, T., & Lewin, B. (2000). Elephant quest. HarperCollins Publishers.
Cita Chicago Style (17a ed.)Lewin, Ted, y Betsy Lewin. Elephant Quest. New York: HarperCollins Publishers, 2000.
Cita MLA (8a ed.)Lewin, Ted, y Betsy Lewin. Elephant Quest. HarperCollins Publishers, 2000.
Precaución: Estas citas no son 100% exactas.