Cita APA (7a ed.)

Carr, E. H. (1970). Socialism in one country, 1924-1926. Penguin Books.

Cita Chicago Style (17a ed.)

Carr, Edward Hallett. Socialism in One Country, 1924-1926. Harmondsworth [etc.]: Penguin Books, 1970.

Cita MLA (9a ed.)

Carr, Edward Hallett. Socialism in One Country, 1924-1926. Penguin Books, 1970.