APA (7th ed.) Citation

O'Brien, D. (2017). The dear boy. Oberon Books. https://doi.org/10.5040/9781350206779.00000072

Chicago Style (17th ed.) Citation

O'Brien, Dan. The Dear Boy. London: Oberon Books, 2017. https://doi.org/10.5040/9781350206779.00000072.

MLA (9th ed.) Citation

O'Brien, Dan. The Dear Boy. Oberon Books, 2017. https://doi.org/10.5040/9781350206779.00000072.