Cita APA (7a ed.)

Frey, W. H., & Speare, A. (1988). Regional and Metropolitan Growth and Decline in the US. Russell Sage Foundation.

Cita Chicago Style (17a ed.)

Frey, William H., y Alden Speare. Regional and Metropolitan Growth and Decline in the US. New York: Russell Sage Foundation, 1988.

Cita MLA (8a ed.)

Frey, William H., y Alden Speare. Regional and Metropolitan Growth and Decline in the US. Russell Sage Foundation, 1988.