APA (7th ed.) Citation

Gifford, C., Kennedy, S., & Parker, P. (2017). Science year by year. Dorling Kindersley Limited.

Chicago Style (17th ed.) Citation

Gifford, Clive, Susan Kennedy, and Philip Parker. Science Year by Year. London: Dorling Kindersley Limited, 2017.

MLA (9th ed.) Citation

Gifford, Clive, et al. Science Year by Year. Dorling Kindersley Limited, 2017.