APA (7th ed.) Citation

Olsen, F. Z. (2019). Fighting for two kings: Danish volunteers in the defence of Hong Kong, 1941. Earnshaw Books.

Chicago Style (17th ed.) Citation

Olsen, Frode Z. Fighting for Two Kings: Danish Volunteers in the Defence of Hong Kong, 1941. Hong Kong: Earnshaw Books, 2019.

MLA (9th ed.) Citation

Olsen, Frode Z. Fighting for Two Kings: Danish Volunteers in the Defence of Hong Kong, 1941. Earnshaw Books, 2019.