Citazione Stile APA (7a Edizione)

Crum, W. L., & Schumpeter, J. A. (1946). Rudimentary mathematics for economists and statisticians. McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Crum, William Leonard, e Joseph Alois Schumpeter. Rudimentary Mathematics for Economists and Statisticians. New York: McGraw-Hill, 1946.

Citatione MLA (9a ed.)

Crum, William Leonard, e Joseph Alois Schumpeter. Rudimentary Mathematics for Economists and Statisticians. McGraw-Hill, 1946.