Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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