APA Style

Gallagher, R. et al (2021). Cambridge IGCSE® & O Level Complete Chemistry: Student Book Fourth Edition (4th Edition, 1st Publishing). Oxford, UK: Oxford University Press.

MLA Style

Gallagher, RoseMarie. et al. "Cambridge IGCSE® & O Level Complete Chemistry: Student Book Fourth Edition". 4th Edition, 1st Publishing Oxford, UK: Oxford University Press, 2021. Printed Book.