APA (7th ed.) Citation

Trotski, L. (1949). In defence of October: Speech delivered in Copenhagen in November 1932. [Colombo?]: Bolshevik-Samasamaja Party (BSP).

Chicago Style (17th ed.) Citation

Trotski, Leon. In Defence of October: Speech Delivered in Copenhagen in November 1932. [Colombo?]: Bolshevik-Samasamaja Party (BSP), 1949.

MLA (8th ed.) Citation

Trotski, Leon. In Defence of October: Speech Delivered in Copenhagen in November 1932. [Colombo?]: Bolshevik-Samasamaja Party (BSP), 1949.

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