APA
R.. Parke, . (1972). Demographic and Social Aspects of Population Growth. Washington: D.C. Govt. Printing Office.
Chicago
R.. Parke, . 1972. Demographic and Social Aspects of Population Growth. Washington: D.C. Govt. Printing Office.
Harvard
R.. Parke, . (1972). Demographic and Social Aspects of Population Growth. Washington: D.C. Govt. Printing Office.
MLA
R.. Parke, . Demographic and Social Aspects of Population Growth. Washington: D.C. Govt. Printing Office. 1972.