APA (7th ed.) Citation

Enzensberger, H. M., Grimm, R., & Armstrong, B. (1982). Critical essays. Continuum.

Chicago Style (17th ed.) Citation

Enzensberger, Hans Magnus, Reinhold Grimm, and Bruce Armstrong. Critical Essays. New York: Continuum, 1982.

MLA (9th ed.) Citation

Enzensberger, Hans Magnus, et al. Critical Essays. Continuum, 1982.