APA (7th ed.) Citation

(1839). Der Heidelberger Katechismus (Ed. 2.). Seidel.

Chicago Style (17th ed.) Citation

Der Heidelberger Katechismus. Ed. 2. Sulzbach: Seidel, 1839.

MLA (9th ed.) Citation

Der Heidelberger Katechismus. Ed. 2. Seidel, 1839.

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