APA Edition Citation

Asimov, I. A. (1996). Foundation and empire.

Chicago Edition Citation

Asimov, Isaac; Author. Foundation and Empire. New York, HarperCollins Publishers Inc, 1996.

MLA Edition Citation

Asimov, Isaac; Author. Foundation and Empire. 1996.

Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.