Cita APA (7a ed.)

Singleton, R., Straits, B. C., & Straits, M. M. (1993). Approaches to social research (2. ed.). Oxford University Press.

Cita Chicago Style (17a ed.)

Singleton, Royce, Bruce C. Straits, y Margaret M. Straits. Approaches to Social Research. 2. ed. New York [u.a.]: Oxford University Press, 1993.

Cita MLA (9a ed.)

Singleton, Royce, et al. Approaches to Social Research. 2. ed. Oxford University Press, 1993.