APA (7th ed.) Citation

Invitational Conference on Testing Problems New York, N.Y., Educational Testing Service (U.S.), & DuBois, P. H. (1970). Toward a theory of achievement measurement. Educational Testing Service.

Chicago Style (17th ed.) Citation

Invitational Conference on Testing Problems New York, N.Y., Educational Testing Service (U.S.), and Philip H. DuBois. Toward a Theory of Achievement Measurement. Princeton, N.J.: Educational Testing Service, 1970.

MLA (8th ed.) Citation

Invitational Conference on Testing Problems New York, N.Y., et al. Toward a Theory of Achievement Measurement. Educational Testing Service, 1970.