APA Citation

Riegel, R. E. (1941). An introduction to the social sciences. New York: D. Appleton-century company.

Chicago Style Citation

Riegel, Robert E. An Introduction to the Social Sciences. New York: D. Appleton-century company, 1941.

MLA Citation

Riegel, Robert E. An Introduction to the Social Sciences. New York: D. Appleton-century company, 1941.

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