Cita APA (7a ed.)

Spahr, W. E., & Bader, L. (1932). The economic foundation of business. Ray Long & Richard R. Smith.

Cita Chicago Style (17a ed.)

Spahr, Water Earl, y Louis Bader. The Economic Foundation of Business. New York: Ray Long & Richard R. Smith, 1932.

Cita MLA (9a ed.)

Spahr, Water Earl, y Louis Bader. The Economic Foundation of Business. Ray Long & Richard R. Smith, 1932.