Cita APA (7a ed.)

Larsen, K. Stephen Hawking: A biography (NA.). Jaico.

Cita Chicago Style (17a ed.)

Larsen, Kristine. Stephen Hawking: A Biography. NA. 2018: Jaico.

Cita MLA (9a ed.)

Larsen, Kristine. Stephen Hawking: A Biography. NA. Jaico.