Cita APA (7a ed.)

Blalock, H. M., & Blalock, A. B. (1968). Methodology in social research. McGraw-Hill.

Cita Chicago Style (17a ed.)

Blalock, Hubert M., y Ann B. Blalock. Methodology in Social Research. New York [etc.]: McGraw-Hill, 1968.

Cita MLA (9a ed.)

Blalock, Hubert M., y Ann B. Blalock. Methodology in Social Research. McGraw-Hill, 1968.