APA (7th ed.) Zitazioa

Helmer, C. (2004). Schleiermacher and Whitehead: Open systems in dialogue. Walter de Gruyter.

Chicago Style (17th ed.) Zitazioa

Helmer, Christine. Schleiermacher and Whitehead: Open Systems in Dialogue. Berlin ; New York: Walter de Gruyter, 2004.

MLA (9th ed.) Zitazioa

Helmer, Christine. Schleiermacher and Whitehead: Open Systems in Dialogue. Walter de Gruyter, 2004.