APA (7th ed.) Citation

Siegel, I. H. (1968). Aggregation and averaging,. W. E. Upjohn Institute for Employment Research.

Chicago Style (17th ed.) Citation

Siegel, Irving H. Aggregation and Averaging,. Kalamazoo, Mich.,: W. E. Upjohn Institute for Employment Research, 1968.

MLA (8th ed.) Citation

Siegel, Irving H. Aggregation and Averaging,. W. E. Upjohn Institute for Employment Research, 1968.

Warning: These citations may not always be 100% accurate.