Cita APA

Snyder, J., & Stonehouse, B. (2014). Prospects for Polar Tourism. CABI.

Chicago Style Citation

Snyder, J.M, i B. Stonehouse. Prospects for Polar Tourism. CABI, 2014.

Cita MLA

Snyder, J.M, i B. Stonehouse. Prospects for Polar Tourism. CABI, 2014.

Atenció: Aquestes cites poden no estar 100% correctes.