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 (8a ed.)

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