APA Edition Citation

Velikovsky, I. (1981). Earth in upheaval. Abacus.

Chicago Edition Citation

Velikovsky, Immanuel. Earth in Upheaval. Great Britain: Abacus, 1981.

MLA Edition Citation

Velikovsky, Immanuel. Earth in Upheaval. Abacus, 1981.

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