Cita APA (7th ed.)

LARSEN, K. (2007). STEPEN, HAWKING - A BIOGRAPHY. PROMETHES BOOKS.

Cita Chicago (17th ed.)

LARSEN, KRISTINE. STEPEN, HAWKING - A BIOGRAPHY. NEWYORK: PROMETHES BOOKS, 2007.

Cita MLA (9th ed.)

LARSEN, KRISTINE. STEPEN, HAWKING - A BIOGRAPHY. PROMETHES BOOKS, 2007.

Atenció: Aquestes cites poden no estar 100% correctes.