Cita APA (7a ed.)

Garrett, B. (2012). Elementary logic. Acumen Pub. Ltd.

Cita Chicago Style (17a ed.)

Garrett, Brian. Elementary Logic. Bristol, CT: Acumen Pub. Ltd, 2012.

Cita MLA (9a ed.)

Garrett, Brian. Elementary Logic. Acumen Pub. Ltd, 2012.