Gaya APA

Smith, M, J., R., Y, Q, H, S, J, P, ;, T, W. (2011). Geomorphological mapping methods and applications . Amsterdam: Elsevier.

Gaya MLA

Smith, Mike, J.., R., Yang, Qihe, H.;, Snyder, John, P., ;, Tobler, Waldo. "Geomorphological mapping methods and applications". Amsterdam: Elsevier, 2011. Text.