APA (7th ed.) Zitazioa

Marxsen, P. M., & Stevens, S. (2015). Helene Schweitzer: A life of her own (First edition.). Syracuse University Press.

Chicago Style (17th ed.) Zitazioa

Marxsen, Patti M., eta Sylvia Stevens. Helene Schweitzer: A Life of Her Own. First edition. Syracuse, New York: Syracuse University Press, 2015.

MLA (9th ed.) Zitazioa

Marxsen, Patti M., eta Sylvia Stevens. Helene Schweitzer: A Life of Her Own. First edition. Syracuse University Press, 2015.