APA

Shryock H. S., Siegel J. S. & Stockwell E. G. (1976). The methods and materials of demography. New York: Academic Press.

Chicago

Shryock Henry S, Siegel Jacob S and Stockwell Edward G. 1976. The methods and materials of demography. New York: Academic Press.

Harvard

Shryock H. S., Siegel J. S. and Stockwell E. G. (1976). The methods and materials of demography. New York: Academic Press.

MLA

Shryock Henry S, Siegel Jacob S and Stockwell Edward G. The methods and materials of demography. New York: Academic Press. 1976.