APA (7th ed.) Citation

Gibson, A. H. (1909). Human economics, books I. and II.: Natural economy & Cosmopolitan economy. Longmans, Green and Co..

Chicago Style (17th ed.) Citation

Gibson, Arthur H. Human Economics, Books I. and II.: Natural Economy & Cosmopolitan Economy. London, New York [etc.]: Longmans, Green and Co., 1909.

MLA (9th ed.) Citation

Gibson, Arthur H. Human Economics, Books I. and II.: Natural Economy & Cosmopolitan Economy. Longmans, Green and Co., 1909.