APA (7th ed.) Citation

Sanches, M. d. J., Santos, P. M., Bradley, R., & Fábregas Valcarce, R. (1998). Land marks - a new approach to the rock art of Trás-os-Montes, Northern Portugal.

Chicago Style (17th ed.) Citation

Sanches, Maria de Jesus, Paula Mota Santos, Richard Bradley, and Ramón Fábregas Valcarce. Land Marks - a New Approach to the Rock Art of Trás-os-Montes, Northern Portugal. 1998.

MLA (8th ed.) Citation

Sanches, Maria de Jesus, et al. Land Marks - a New Approach to the Rock Art of Trás-os-Montes, Northern Portugal. 1998.