Cita APA (7th ed.)

Doby, J. T. (1967). An introduction to social research (2d ed.). Appleton Century-Crofts.

Cita Chicago (17th ed.)

Doby, J. T. An Introduction to Social Research. 2d ed. New York: Appleton Century-Crofts, 1967.

Cita MLA (8th ed.)

Doby, J. T. An Introduction to Social Research. 2d ed. Appleton Century-Crofts, 1967.