Cita APA (7a ed.)

Cronin, J. F. (1950). Economic analysis and problems. American Book.

Cita Chicago Style (17a ed.)

Cronin, John F. Economic Analysis and Problems. New York [etc.]: American Book, 1950.

Cita MLA (9a ed.)

Cronin, John F. Economic Analysis and Problems. American Book, 1950.