APA (7th ed.) Citation

Porer, J. (1998). Schwalben-Kataster für 1997.

Chicago Style (17th ed.) Citation

Porer, Johann. Schwalben-Kataster Für 1997. 1998.

MLA (9th ed.) Citation

Porer, Johann. Schwalben-Kataster Für 1997. 1998.

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