APA (7th ed.) Citation

Aus Philipp Albert Stapfer's Briefwechsel. Geering.

Chicago Style (17th ed.) Citation

Aus Philipp Albert Stapfer's Briefwechsel. Basel: Geering.

MLA (9th ed.) Citation

Aus Philipp Albert Stapfer's Briefwechsel. Geering.

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