APA (7th ed.) Citation

Goeldner, C. R., Allen, G. L., & Duea, K. (1969). Colorado information sources. Business Research Division, Graduate School of Business Administration, University of Colorado.

Chicago Style (17th ed.) Citation

Goeldner, Charles R., Gerald L. Allen, and Karen Duea. Colorado Information Sources. Boulder: Business Research Division, Graduate School of Business Administration, University of Colorado, 1969.

MLA (8th ed.) Citation

Goeldner, Charles R., et al. Colorado Information Sources. Business Research Division, Graduate School of Business Administration, University of Colorado, 1969.