Cita APA (7a ed.)

Gallagher, N. Delta's next generation toefel test. Delta publishing company.

Cita Chicago Style (17a ed.)

Gallagher, Nancy. Delta's Next Generation Toefel Test. New York: Delta publishing company.

Cita MLA (9a ed.)

Gallagher, Nancy. Delta's Next Generation Toefel Test. Delta publishing company.