Cita APA (7a ed.)

International Conference on Travel Survey Methods Herradura, Puntarenas, Costa Rica, Stopher, P. R., & Stecher, C. (2006). Travel survey methods: Quality and future directions. Elsevier.

Cita Chicago Style (17a ed.)

International Conference on Travel Survey Methods Herradura, Puntarenas, Costa Rica, Peter R. Stopher, y Cheryl Stecher. Travel Survey Methods: Quality and Future Directions. Amsterdam ; Boston: Elsevier, 2006.

Cita MLA (8a ed.)

International Conference on Travel Survey Methods Herradura, Puntarenas, Costa Rica, et al. Travel Survey Methods: Quality and Future Directions. Elsevier, 2006.