APA (7th ed.) Citation

Bujak, A., & Labuda, A. S. Porta regia: Drzwi Gnieźnieńskie.

Chicago Style (17th ed.) Citation

Bujak, Adam, and Adam S. Labuda. Porta Regia: Drzwi Gnieźnieńskie.

MLA (9th ed.) Citation

Bujak, Adam, and Adam S. Labuda. Porta Regia: Drzwi Gnieźnieńskie.

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