Cita APA

Shuman, J. B. (1972). The Kondratieff wave. New York: World Publishing.

Chicago Style Citation

Shuman, James B. The Kondratieff Wave. New York: World Publishing, 1972.

Cita MLA

Shuman, James B. The Kondratieff Wave. New York: World Publishing, 1972.

Atenció: Aquestes cites poden no estar 100% correctes.