APA (7th ed.) Citation

Keirstead, B. (1948). The theory of economic change. The MacMillan Comp.

Chicago Style (17th ed.) Citation

Keirstead, B.S. The Theory of Economic Change. The MacMillan Comp, 1948.

MLA (8th ed.) Citation

Keirstead, B.S. The Theory of Economic Change. The MacMillan Comp, 1948.

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