APA (7th ed.) Citation

Pietikäinen, S., Jaffe, A., Kelly-Holmes, H., & Coupland, N. (2016). Sociolinguistics From the Periphery: Small Languages in New Circumstances.

Chicago Style (17th ed.) Citation

Pietikäinen, Sari, Alexandra Jaffe, Helen Kelly-Holmes, and Nikolas Coupland. Sociolinguistics From the Periphery: Small Languages in New Circumstances. 2016.

MLA (9th ed.) Citation

Pietikäinen, Sari, et al. Sociolinguistics From the Periphery: Small Languages in New Circumstances. 2016.