APA引文

Gray, A. W., & Ulm, O. M. (1975). Mathematics for College Students Elementary Concepts. Beverly Hills, California: Glencoe Press.

Trích dẫn kiểu Chicago

Gray, A. William, và Otis M. Ulm. Mathematics for College Students Elementary Concepts. Beverly Hills, California: Glencoe Press, 1975.

MLA引文

Gray, A. William, và Otis M. Ulm. Mathematics for College Students Elementary Concepts. Beverly Hills, California: Glencoe Press, 1975.

警告：這些引文格式不一定是100％准確.