APA (7th ed.) Citation

Ayres, L. P. (1969). Turning points in business cycles. A.M. Kelley.

Chicago Style (17th ed.) Citation

Ayres, Leonard Porter. Turning Points in Business Cycles. New York: A.M. Kelley, 1969.

MLA (9th ed.) Citation

Ayres, Leonard Porter. Turning Points in Business Cycles. A.M. Kelley, 1969.

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