Cita APA (7a ed.)
Phillips, F. M., Flinsch, M., Elmore, D., & Sharma, P. Maximum ages of the Côa valley (Portugal) engravings measured with Chlorine-36.
Cita Chicago Style (17a ed.)
Phillips, Fred M., Montgomery Flinsch, David Elmore, y Pankaj Sharma. Maximum Ages of the Côa Valley (Portugal) Engravings Measured with Chlorine-36.
Cita MLA (9a ed.)
Phillips, Fred M., et al. Maximum Ages of the Côa Valley (Portugal) Engravings Measured with Chlorine-36.
Precaución: Estas citas no son 100% exactas.