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MLA

Ciancio, Nicholas J, et al. "An Empirical Study of the Area Frame Stratification." ,

APA

Ciancio, N. J, Rockwell, D. A, Tortora, R. D, United States, U. States, Department of Agriculture, D. of Agriculture, Statistical Reporting Service, S. Reporting Service, Research Division, R. Division, & Sample Survey Research Branch, S. Survey Research Branch. (1977). An empirical study of the area frame stratification.

Chicago

Ciancio, Nicholas J., Dwight A Rockwell, Robert D Tortora, United States, Department of Agriculture, Statistical Reporting Service, Research Division, and Sample Survey Research Branch. "An empirical study of the area frame stratification" (1977):