APA

American Geographical Society of New York, Carnegie Institution of Washington, . (1915). Special publication / American Geographical Society. Washington, DC [u.a.]: .

Chicago

American Geographical Society of New York, Carnegie Institution of Washington, . 1915. Special publication / American Geographical Society. Washington, DC [u.a.]: .

Harvard

American Geographical Society of New York, Carnegie Institution of Washington, . (1915). Special publication / American Geographical Society. Washington, DC [u.a.]: .

MLA

American Geographical Society of New York, Carnegie Institution of Washington, . Special publication / American Geographical Society. Washington, DC [u.a.]: . 1915.