Cita APA

Frizzelle, B. G., Page, P. H., Spencer, J., & Vogler, J. B. (2003). Global positioning system a field guide for the social sciences.

Citación estilo Chicago

Frizzelle, Brian G., Philip H. Page, John Spencer, and John B. Vogler. Global Positioning System a Field Guide for the Social Sciences. London, Blackwell science, 2003.

Cita MLA

Frizzelle, Brian G., et al. Global Positioning System a Field Guide for the Social Sciences. 2003.