Cita APA (7a ed.)

Coughlan, M. a. (2014). Beginning COBOL for Programmers (1st ed. 2014.). Apress.

Cita Chicago Style (17a ed.)

Coughlan, Michael. author. Beginning COBOL for Programmers. 1st ed. 2014. Berkeley, CA: Apress, 2014.

Cita MLA (9a ed.)

Coughlan, Michael. author. Beginning COBOL for Programmers. 1st ed. 2014. Apress, 2014.