APA Style

Costinett, S., Byrd, D, R, H. (1993). Spectrum: A Communicative Course in English (Student Book 6) (Book 6). Englewood Cliffs, New Jersey: Prentice Hall Regents.

MLA Style

Costinett, Sandra., Byrd, Donald, R., H.. "Spectrum: A Communicative Course in English (Student Book 6)". Book 6 Englewood Cliffs, New Jersey: Prentice Hall Regents, 1993. Text.