Cita APA (7a ed.)
Needham, S., & Spence, T. Refuse and the formation of middens.
Cita Chicago Style (17a ed.)
Needham, Stuart, y Tony Spence. Refuse and the Formation of Middens.
Cita MLA (9a ed.)
Needham, Stuart, y Tony Spence. Refuse and the Formation of Middens.
Precaución: Estas citas no son 100% exactas.