APA (7th ed.) Citation

Bladon, R., & London, J. (2011). The call of the wild. Macmillan Heinemann ELT.

Chicago Style (17th ed.) Citation

Bladon, Rachel, and Jack London. The Call of the Wild. Oxford: Macmillan Heinemann ELT, 2011.

MLA (9th ed.) Citation

Bladon, Rachel, and Jack London. The Call of the Wild. Macmillan Heinemann ELT, 2011.