Cita APA (7th ed.)

Twain, M., & Day, A. G. (1967). Mark Twain's letters from Hawaii. Chatto & Windus.

Cita Chicago (17th ed.)

Twain, Mark, i A. Grove Day. Mark Twain's Letters from Hawaii. London: Chatto & Windus, 1967.

Cita MLA (8th ed.)

Twain, Mark, i A. Grove Day. Mark Twain's Letters from Hawaii. Chatto & Windus, 1967.