APA (7th ed.) Citation

Beer, M., & Johnston, W. H. (1933). The League on trial: A journey to Geneva. George Allen & Unwin.

Chicago Style (17th ed.) Citation

Beer, Max, and Walter Henry Johnston. The League on Trial: A Journey to Geneva. London: George Allen & Unwin, 1933.

MLA (9th ed.) Citation

Beer, Max, and Walter Henry Johnston. The League on Trial: A Journey to Geneva. George Allen & Unwin, 1933.