APA (7th ed.) Citation

Heilbut, I. (1962). Anrufe. Josef Keller Verlag.

Chicago Style (17th ed.) Citation

Heilbut, Iwan. Anrufe. Starnberg: Josef Keller Verlag, 1962.

MLA (9th ed.) Citation

Heilbut, Iwan. Anrufe. Josef Keller Verlag, 1962.

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