APA (7th ed.) Citation

Zemko, M. Kováč, Dušan. et al. Prvá svetová vojna (The first World War) 1914-1918.

Chicago Style (17th ed.) Citation

Zemko, Milan. Kováč, Dušan. Et Al. Prvá Svetová Vojna (The First World War) 1914-1918.

MLA (9th ed.) Citation

Zemko, Milan. Kováč, Dušan. Et Al. Prvá Svetová Vojna (The First World War) 1914-1918.

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