APA (7th ed.) Citation

Schmitt, N., Cobb, T., Horst, M., & Schmitt, D. (2015). How much vocabulary is needed to use English? Replication of van Zeeland & Schmitt (2012), Nation (2006) and Cobb (2007). Cambridge University Press.

Chicago Style (17th ed.) Citation

Schmitt, Norbert, Tom Cobb, Marlise Horst, and Diane Schmitt. How Much Vocabulary Is Needed to Use English? Replication of Van Zeeland & Schmitt (2012), Nation (2006) and Cobb (2007). Cambridge University Press, 2015.

MLA (9th ed.) Citation

Schmitt, Norbert, et al. How Much Vocabulary Is Needed to Use English? Replication of Van Zeeland & Schmitt (2012), Nation (2006) and Cobb (2007). Cambridge University Press, 2015.

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