Cita APA (7a ed.)

Naipaul, V. S. (1969). A flag on the island. Penguin Books.

Cita Chicago Style (17a ed.)

Naipaul, V. S. A Flag on the Island. Harmondsworth [etc.]: Penguin Books, 1969.

Cita MLA (9a ed.)

Naipaul, V. S. A Flag on the Island. Penguin Books, 1969.