APA (7th ed.) Citation

Howard, P., & Spoerri, T. (1962). Frank Buchmans Geheimnis. Dt. Verl.-Anst.

Chicago Style (17th ed.) Citation

Howard, Peter, and Theophil Spoerri. Frank Buchmans Geheimnis. Stuttgart: Dt. Verl.-Anst, 1962.

MLA (8th ed.) Citation

Howard, Peter, and Theophil Spoerri. Frank Buchmans Geheimnis. Dt. Verl.-Anst, 1962.

Warning: These citations may not always be 100% accurate.