APA (7th ed.) Citation

Sarah Armstrong, Katherine Faudemer, & Emily Forsberg. (2017). Edexcel International GCSE Biology: For the Grade 9-1 Course & The Revision Guide. CGP.

Chicago Style (17th ed.) Citation

Sarah Armstrong, Katherine Faudemer, and Emily Forsberg. Edexcel International GCSE Biology: For the Grade 9-1 Course & The Revision Guide. CGP, 2017.

MLA (9th ed.) Citation

Sarah Armstrong, et al. Edexcel International GCSE Biology: For the Grade 9-1 Course & The Revision Guide. CGP, 2017.

Warning: These citations may not always be 100% accurate.