Cita APA (7a ed.)

Kent, G. (1969). Blackboard to computer: : a guide to educational aids. Ward Lock Educational.

Cita Chicago Style (17a ed.)

Kent, Graeme. Blackboard to Computer: : A Guide to Educational Aids. London: Ward Lock Educational, 1969.

Cita MLA (9a ed.)

Kent, Graeme. Blackboard to Computer: : A Guide to Educational Aids. Ward Lock Educational, 1969.