APA Style

Grauer, Robert T.. (1981). A COBOL BOOK of Practice and Reference . Englewood Chifts, New Jersey: Prentice-Hall, Inc..

Chicago Style

Grauer, Robert T.. A COBOL BOOK of Practice and Reference. Englewood Chifts, New Jersey: Prentice-Hall, Inc., 1981. Text.

MLA Style

Grauer, Robert T.. A COBOL BOOK of Practice and Reference. Englewood Chifts, New Jersey: Prentice-Hall, Inc., 1981. Text.

Turabian Style

Grauer, Robert T.. A COBOL BOOK of Practice and Reference. Englewood Chifts, New Jersey: Prentice-Hall, Inc., 1981. Print.