Cita APA (7a ed.)

Spiegelglas, S., & Welsh, C. J. (1970). Economic development: Challenge and promise (1st edition.). Prentice Hall.

Cita Chicago Style (17a ed.)

Spiegelglas, Stephen, y Charles J. Welsh. Economic Development: Challenge and Promise. 1st edition. New Jersey: Prentice Hall, 1970.

Cita MLA (8a ed.)

Spiegelglas, Stephen, y Charles J. Welsh. Economic Development: Challenge and Promise. 1st edition. Prentice Hall, 1970.