Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.

APA Citation Edition Citation

Phillips, F., Flinsch, M., & Elmore, D. (1997). Maximum ages of the Côa valley (Portugal) engravings measured with Chlorine-36.

Chicago Citation Edition Citation

Phillips, F.M, M. Flinsch, und D. Elmore. Maximum Ages of the Côa Valley (Portugal) Engravings Measured with Chlorine-36. 1997.

MLA Citation Edition Citation

Phillips, F.M, et al. Maximum Ages of the Côa Valley (Portugal) Engravings Measured with Chlorine-36. 1997.