APA

Geographical Science Committee, . (2006). Learning to think spatially. Washington: The National Academies Press.

Chicago

Geographical Science Committee, . 2006. Learning to think spatially. Washington: The National Academies Press.

Harvard

Geographical Science Committee, . (2006). Learning to think spatially. Washington: The National Academies Press.

MLA

Geographical Science Committee, . Learning to think spatially. Washington: The National Academies Press. 2006.