Cita APA (7th ed.)

Arriaga, E. E., Anderson, P., & Heligman, L. (1976). Computer programs for demographic analysis. U.S. Dept. of Commerce, Bureau of the Census, International Statistical Programs Center.

Cita Chicago (17th ed.)

Arriaga, Eduardo E., Patricia Anderson, i Larry Heligman. Computer Programs for Demographic Analysis. Washington: U.S. Dept. of Commerce, Bureau of the Census, International Statistical Programs Center, 1976.

Cita MLA (8th ed.)

Arriaga, Eduardo E., et al. Computer Programs for Demographic Analysis. U.S. Dept. of Commerce, Bureau of the Census, International Statistical Programs Center, 1976.