Cita APA (7a ed.)

Chang, C., & Hedberg, J. G. (2007). Digital Libraries Creating Environmental Identity through Solving Geographical Problems.

Cita Chicago Style (17a ed.)

Chang, Chew-Hung, y John G. Hedberg. Digital Libraries Creating Environmental Identity Through Solving Geographical Problems. 2007.

Cita MLA (9a ed.)

Chang, Chew-Hung, y John G. Hedberg. Digital Libraries Creating Environmental Identity Through Solving Geographical Problems. 2007.