APA (7th ed.) Citation

Hell, S., & Ruangsilp, B. (2017). Siam and World War I: An international history. River Books.

Chicago Style (17th ed.) Citation

Hell, Stefan, and Bhawan Ruangsilp. Siam and World War I: An International History. Bangkok: River Books, 2017.

MLA (9th ed.) Citation

Hell, Stefan, and Bhawan Ruangsilp. Siam and World War I: An International History. River Books, 2017.

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