APA
Marble D. F. 1., Garrison W. L. 1. & Northwestern University (Evanston I. D. o. G. (1967). Quantitative geography. Evanston, IL: Department of Geography, Northwestern University.
Chicago
Marble Duane Francis 1931, Garrison William Lewis 1924 and Northwestern University (Evanston Ill.) Dept of Geography. 1967. Quantitative geography. Evanston, IL: Department of Geography, Northwestern University.
Harvard
Marble D. F. 1., Garrison W. L. 1. and Northwestern University (Evanston I. D. o. G. (1967). Quantitative geography. Evanston, IL: Department of Geography, Northwestern University.
MLA
Marble Duane Francis 1931, Garrison William Lewis 1924 and Northwestern University (Evanston Ill.) Dept of Geography. Quantitative geography. Evanston, IL: Department of Geography, Northwestern University. 1967.