Cita APA (7a ed.)

Boillot, M. H. (1986). Understanding structured Cobol (2nd ed.). West.

Cita Chicago Style (17a ed.)

Boillot, Michel H. Understanding Structured Cobol. 2nd ed. Saint Paul [etc.]: West, 1986.

Cita MLA (9a ed.)

Boillot, Michel H. Understanding Structured Cobol. 2nd ed. West, 1986.