Cita APA

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

Citación estilo Chicago

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.

Cita MLA

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