APA Style

Longhurst, J, L, A. (1989). COBOL (Prentice-Hall International Editions). Englewood Cliffs, New Jersey: Prentice‑Hall, Inc..

MLA Style

Longhurst, Jean, Longhurst,, Audrey. "COBOL". Prentice-Hall International Editions Englewood Cliffs, New Jersey: Prentice‑Hall, Inc., 1989. Text.