Cita APA (7a ed.)

Preloff, H. S., Dunn, E. S., Lampard, E. E., & Muth, R. F. (1960). Regions, resources, and economic growth. University of Nebraska Press.

Cita Chicago Style (17a ed.)

Preloff, Harvey S., Edgar S. Dunn, Eric E. Lampard, y Richard F. Muth. Regions, Resources, and Economic Growth. Lincoln: University of Nebraska Press, 1960.

Cita MLA (9a ed.)

Preloff, Harvey S., et al. Regions, Resources, and Economic Growth. University of Nebraska Press, 1960.