APA (7th ed.) Citation

Johnstone, B., Kerswill, P., & Wodak, R. (2013). The SAGE handbook of sociolinguistics. SAGE.

Chicago Style (17th ed.) Citation

Johnstone, Barbara, Paul Kerswill, and Ruth Wodak. The SAGE Handbook of Sociolinguistics. London: SAGE, 2013.

MLA (9th ed.) Citation

Johnstone, Barbara, et al. The SAGE Handbook of Sociolinguistics. SAGE, 2013.