Cita APA (7a ed.)

Carr, E. H. (1969). The interregnum 1923 - 1924. Penguin Books.

Cita Chicago Style (17a ed.)

Carr, Edward H. The Interregnum 1923 - 1924. Harmondsworth: Penguin Books, 1969.

Cita MLA (8a ed.)

Carr, Edward H. The Interregnum 1923 - 1924. Penguin Books, 1969.