APA (7th ed.) Citation

Ludwig Salvator, A. o. A. The Caravan Route between Egypt and Syria.

Chicago Style (17th ed.) Citation

Ludwig Salvator, Archduke of Austria. The Caravan Route Between Egypt and Syria.

MLA (9th ed.) Citation

Ludwig Salvator, Archduke of Austria. The Caravan Route Between Egypt and Syria.

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