APA (7th ed.) Citation

Commission on Language Tests and Testing, Jones, R. L., & Spolsky, B. (1975). Testing language proficiency. Center for Applied Linguistics.

Chicago Style (17th ed.) Citation

Commission on Language Tests and Testing, Randall L. Jones, and Bernard Spolsky. Testing Language Proficiency. Arlington, Va: Center for Applied Linguistics, 1975.

MLA (9th ed.) Citation

Commission on Language Tests and Testing, et al. Testing Language Proficiency. Center for Applied Linguistics, 1975.