Gruber, G. R., & Gruber, E. C. (1983). Test of English as a Foreing Language, TOEFL (Rev. edition --.). New York, New York: Monarch Press.
Chicago Style CitationGruber, Gary R., and Edward C. Gruber. Test of English As a Foreing Language, TOEFL. Rev. edition --. New York, New York: Monarch Press, 1983.
MLA CitationGruber, Gary R., and Edward C. Gruber. Test of English As a Foreing Language, TOEFL. Rev. edition --. New York, New York: Monarch Press, 1983.
Warning: These citations may not always be 100% accurate.