APA引文

Boslough, J. (1989). Stephen Hawking's universe. Avon Books.

Chicago Edition Citation

Boslough, John. Stephen Hawking's Universe. Canada: Avon Books, 1989.

MLA引文

Boslough, John. Stephen Hawking's Universe. Avon Books, 1989.

警告：這些引文格式不一定是100％准確.