APA (7th ed.) Citation

Ewen, F., Untermeyer, L., Wolfe, H., Lazarus, E., Armour, M., & Kramer, A. (1969). The poetry of Heinrich Heine. The Citadel Press.

Chicago Style (17th ed.) Citation

Ewen, Frederic, Louis Untermeyer, Humbert Wolfe, Emma Lazarus, Margareth Armour, and Aaron Kramer. The Poetry of Heinrich Heine. New York, United States: The Citadel Press, 1969.

MLA (9th ed.) Citation

Ewen, Frederic, et al. The Poetry of Heinrich Heine. The Citadel Press, 1969.