Cita APA (7th ed.)

Spulber, N. (1995). The American economy: The struggle for supremacy in the 21st century. Univ.Pr..

Cita Chicago (17th ed.)

Spulber, Nicolas. The American Economy: The Struggle for Supremacy in the 21st Century. Cambridge: Univ.Pr., 1995.

Cita MLA (9th ed.)

Spulber, Nicolas. The American Economy: The Struggle for Supremacy in the 21st Century. Univ.Pr., 1995.