APA (7th ed.) Citation

Szczesniak, B. B. (1969). The knights hospitallers in Poland and Lithuania. Studies in European history.

Chicago Style (17th ed.) Citation

Szczesniak, Boleslaw B. "The Knights Hospitallers in Poland and Lithuania." Studies in European History 1969.

MLA (9th ed.) Citation

Szczesniak, Boleslaw B. "The Knights Hospitallers in Poland and Lithuania." Studies in European History, 1969.

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