Cita APA (7th ed.)

Croome, H. M. (1931). The approach to economics. Christophers.

Cita Chicago (17th ed.)

Croome, Honor Minturn. The Approach to Economics. London: Christophers, 1931.

Cita MLA (9th ed.)

Croome, Honor Minturn. The Approach to Economics. Christophers, 1931.