APA (7th ed.) Citation

Hesse, H., & Trans: Hilda Rosner. (1951). Siddhartha. A New Directions Book.

Chicago Style (17th ed.) Citation

Hesse, Hermann, and Trans: Hilda Rosner. Siddhartha. New York: A New Directions Book, 1951.

MLA (9th ed.) Citation

Hesse, Hermann, and Trans: Hilda Rosner. Siddhartha. A New Directions Book, 1951.