Raab, B., & Olten, M. (2006). Where does pepper come from? North-South Books.
Cita Chicago Style (17a ed.)Raab, Brigitte, y Manuela Olten. Where Does Pepper Come from? New York: North-South Books, 2006.
Cita MLA (8a ed.)Raab, Brigitte, y Manuela Olten. Where Does Pepper Come from? North-South Books, 2006.
Precaución: Estas citas no son 100% exactas.