Cita APA (7th ed.)

Asher, H. B. (1976). Causal modeling. Sage Publications.

Cita Chicago (17th ed.)

Asher, Herbert B. Causal Modeling. Beverly Hills, Calif: Sage Publications, 1976.

Cita MLA (9th ed.)

Asher, Herbert B. Causal Modeling. Sage Publications, 1976.