Cita APA

Hawking,Stephen. (2018). Brief answers to the big questions. John Murray.

Chicago Edition Citation

Hawking,Stephen. Brief Answers to the Big Questions. Manipal: John Murray, 2018.

Cita MLA

Hawking,Stephen. Brief Answers to the Big Questions. John Murray, 2018.

Atenció: Aquestes cites poden no estar 100% correctes.