APA način citiranja (7. izdanje)

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

Čikaški stil citiranja (17. izdanje)

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

MLA način citiranja (9. izdanje)

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