APA (7th ed.) Citation

Blalock, H. M. (1964). Causal inferences in nonexperimental research. Univ. of North Carolina Press.

Chicago Style (17th ed.) Citation

Blalock, Hubert M. Causal Inferences in Nonexperimental Research. Chapel Hill: Univ. of North Carolina Press, 1964.

MLA (8th ed.) Citation

Blalock, Hubert M. Causal Inferences in Nonexperimental Research. Univ. of North Carolina Press, 1964.