Cita APA (7a ed.)

Peter Riley. (2005). Checkpoint Chemistry Pupil's Book (Checkpoint Science). "Trans-Atlantic Publications, Inc.".

Cita Chicago Style (17a ed.)

Peter Riley. Checkpoint Chemistry Pupil's Book (Checkpoint Science). "Trans-Atlantic Publications, Inc.", 2005.

Cita MLA (9a ed.)

Peter Riley. Checkpoint Chemistry Pupil's Book (Checkpoint Science). "Trans-Atlantic Publications, Inc.", 2005.

Precaución: Estas citas no son 100% exactas.