APA

Hawking S. W., . (1998). A brief history of time. New York: Bantam Books.

Chicago

Hawking Stephen William, . 1998. A brief history of time. New York: Bantam Books.

Harvard

Hawking S. W., . (1998). A brief history of time. New York: Bantam Books.

MLA

Hawking Stephen William, . A brief history of time. New York: Bantam Books. 1998.