Cita APA (7a ed.)

Brown, M. P., England, W. B., & Matthews, J. B. (1961). Problems in marketing. McGraw-Hill.

Cita Chicago Style (17a ed.)

Brown, Milton P., Wilbur B. England, y John B. Matthews. Problems in Marketing. New York: McGraw-Hill, 1961.

Cita MLA (8a ed.)

Brown, Milton P., et al. Problems in Marketing. McGraw-Hill, 1961.