Cita APA (7a ed.)

Hagen, E. E. (1969). The economics of development. Irwin.

Cita Chicago Style (17a ed.)

Hagen, Everett E. The Economics of Development. Homewood [etc.]: Irwin, 1969.

Cita MLA (9a ed.)

Hagen, Everett E. The Economics of Development. Irwin, 1969.