APA (7th ed.) Citation

Ayres, L. P. (1940). Turning Points in business cycles.

Chicago Style (17th ed.) Citation

Ayres, Leonard Porter. Turning Points in Business Cycles. 1940.

MLA (9th ed.) Citation

Ayres, Leonard Porter. Turning Points in Business Cycles. 1940.

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