APA (7th ed.) Citation

Johnson, H. G. (1971). Aspects of the theory of tariffs. George Allen & Unwin.

Chicago Style (17th ed.) Citation

Johnson, Harry Gordon. Aspects of the Theory of Tariffs. London: George Allen & Unwin, 1971.

MLA (9th ed.) Citation

Johnson, Harry Gordon. Aspects of the Theory of Tariffs. George Allen & Unwin, 1971.

Warning: These citations may not always be 100% accurate.