Cita APA (7a ed.)

Durrell, M., Kohl, K., & Loftus, G. (2013). Practising German Grammar (3rd ed.). Taylor and Francis.

Cita Chicago Style (17a ed.)

Durrell, Martin, Katrin Kohl, y Gudrun Loftus. Practising German Grammar. 3rd ed. Hoboken: Taylor and Francis, 2013.

Cita MLA (8a ed.)

Durrell, Martin, et al. Practising German Grammar. 3rd ed. Taylor and Francis, 2013.