APA (7th ed.) Citation

Morris, E., & Hawking, S. W. (1991). Eine kurze Geschichte der Zeit: Based on the book of Stephen Hawking.

Chicago Style (17th ed.) Citation

Morris, Errol, and Stephen W. Hawking. Eine Kurze Geschichte Der Zeit: Based on the Book of Stephen Hawking. [S.l.], 1991.

MLA (9th ed.) Citation

Morris, Errol, and Stephen W. Hawking. Eine Kurze Geschichte Der Zeit: Based on the Book of Stephen Hawking. 1991.

Warning: These citations may not always be 100% accurate.