Cita APA (7a ed.)

Peters, J. F., & Holmay, P. (1990). The VMS user's guide. Digital Press.

Cita Chicago Style (17a ed.)

Peters, James F., y Patrick Holmay. The VMS User's Guide. Bedford, Massachusetts: Digital Press, 1990.

Cita MLA (9a ed.)

Peters, James F., y Patrick Holmay. The VMS User's Guide. Digital Press, 1990.