APA (7th ed.) Citation

Barnard, C., Chapman, C., Thomas, S., Gilder, S., & Wilde, O. The selfish giant.

Chicago Style (17th ed.) Citation

Barnard, Clio, Conner Chapman, Shaun Thomas, Sean Gilder, and Oscar Wilde. The Selfish Giant.

MLA (8th ed.) Citation

Barnard, Clio, et al. The Selfish Giant.

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