Cita APA (7a ed.)

Thapar, R., & Spear, P. (1965). A History of India. Penguin Books.

Cita Chicago Style (17a ed.)

Thapar, Romila, y Percival Spear. A History of India. Harmondsworth [etc.]: Penguin Books, 1965.

Cita MLA (9a ed.)

Thapar, Romila, y Percival Spear. A History of India. Penguin Books, 1965.