Cita APA (7th ed.)

Lagerkvist, P. (1971). The eternal smile. Chatto & Windus.

Cita Chicago (17th ed.)

Lagerkvist, Par. The Eternal Smile. London: Chatto & Windus, 1971.

Cita MLA (8th ed.)

Lagerkvist, Par. The Eternal Smile. Chatto & Windus, 1971.

Atenció: Aquestes cites poden no estar 100% correctes.