APA (7th ed.) Citation

Trotzke, A., Balla, A., Grobauer, H., & Wittenberg, E. Asking for help: An empirical exploration into social grammar. Public Library of Science (PLoS).

Chicago Style (17th ed.) Citation

Trotzke, Andreas, Attila Balla, Hannah Grobauer, and Eva Wittenberg. Asking for Help: An Empirical Exploration into Social Grammar. Public Library of Science (PLoS).

MLA (9th ed.) Citation

Trotzke, Andreas, et al. Asking for Help: An Empirical Exploration into Social Grammar. Public Library of Science (PLoS).