APA (7th ed.) Citation

Vrtel, L. Heraldry at the Close of the Romanesque Epoch.

Chicago Style (17th ed.) Citation

Vrtel, Ladislav. Heraldry at the Close of the Romanesque Epoch.

MLA (9th ed.) Citation

Vrtel, Ladislav. Heraldry at the Close of the Romanesque Epoch.

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