APA (7th ed.) Citation

De Colonna, B. (1938). Czecho-slovakia within. Thornton Butterworth.

Chicago Style (17th ed.) Citation

De Colonna, Bertram. Czecho-slovakia Within. London: Thornton Butterworth, 1938.

MLA (8th ed.) Citation

De Colonna, Bertram. Czecho-slovakia Within. Thornton Butterworth, 1938.

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