APA (7th ed.) Citation

Benzel, K. N., Goldbeck, J., & Benzel, M. The little english workbook.

Chicago Style (17th ed.) Citation

Benzel, Kathryn N., Janne Goldbeck, and Michael Benzel. The Little English Workbook.

MLA (8th ed.) Citation

Benzel, Kathryn N., et al. The Little English Workbook.