Cita APA (7a ed.)

Smith, J. R., Phillips, M. O., & Smith, T. R. (1961). Industrial and commercial geography (4th ed. [August 1961].). Holt.

Cita Chicago Style (17a ed.)

Smith, J. Russell, M. Ogden Phillips, y Thomas R. Smith. Industrial and Commercial Geography. 4th ed. [August 1961]. New York: Holt, 1961.

Cita MLA (9a ed.)

Smith, J. Russell, et al. Industrial and Commercial Geography. 4th ed. [August 1961]. Holt, 1961.