APA (7th ed.) Citation

Piper, F. (1997). Abende beim Professor. Pro memoria.

Chicago Style (17th ed.) Citation

Piper, Franciszek. "Abende Beim Professor." Pro Memoria 1997.

MLA (8th ed.) Citation

Piper, Franciszek. "Abende Beim Professor." Pro Memoria, 1997.

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