APA (7th ed.) Citation

Purzelbaum, P. (1933). "Ka'toffelsupp ... Ka'toffelsupp ... " (14.-16. Tsd.). Brunnen-Verlag.

Chicago Style (17th ed.) Citation

Purzelbaum, Peter. "Ka'toffelsupp ... Ka'toffelsupp ... ". 14.-16. Tsd. Berlin: Brunnen-Verlag, 1933.

MLA (9th ed.) Citation

Purzelbaum, Peter. "Ka'toffelsupp ... Ka'toffelsupp ... ". 14.-16. Tsd. Brunnen-Verlag, 1933.

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