Citazione Stile APA (7a Edizione)

Edited by Onsrud , H. (1999). Geographic information research. Taylor and Francis.

Citazione stile Chigago Style (17a edizione)

Edited by Onsrud , Harlan. Geographic Information Research. London: Taylor and Francis, 1999.

Citatione MLA (9a ed.)

Edited by Onsrud , Harlan. Geographic Information Research. Taylor and Francis, 1999.