APA

Retherford R. D., Kim M. & Kim M. (1993). Statistical models for causal analysis. New York, NY [u.a.]: Wiley.

Chicago

Retherford Robert D, Kim Minja and Kim Minja. 1993. Statistical models for causal analysis. New York, NY [u.a.]: Wiley.

Harvard

Retherford R. D., Kim M. and Kim M. (1993). Statistical models for causal analysis. New York, NY [u.a.]: Wiley.

MLA

Retherford Robert D, Kim Minja and Kim Minja. Statistical models for causal analysis. New York, NY [u.a.]: Wiley. 1993.