Cita APA (7a ed.)
O'Mahony, D., Peirce, M., & Tewari, H. Electronic Payment Systems. Artech House.
Cita estilo Chicago (17a ed.)
O'Mahony, Donal, Michael Peirce, y Hitesh Tewari. Electronic Payment Systems. Boston, EUA: Artech House.
Cita MLA (9a ed.)
O'Mahony, Donal, et al. Electronic Payment Systems. Artech House.
Precaución: Estas citas no son 100% exactas.