APA (7th ed.) Citation

Charlesworth, A. (2015). An Introduction to Social Media Marketing. Routledge.

Chicago Style (17th ed.) Citation

Charlesworth, Alan. An Introduction to Social Media Marketing. London [England]: Routledge, 2015.

MLA (9th ed.) Citation

Charlesworth, Alan. An Introduction to Social Media Marketing. Routledge, 2015.

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