Cita APA (7a ed.)

PARRAGON BOOKS. (2019). ULTIMATE VISUAL ENCYCLOPEDIA EARTH'S STORY (2015 Ed.). PARRAGON BOOK PUBLISHERS.

Cita Chicago Style (17a ed.)

PARRAGON BOOKS. ULTIMATE VISUAL ENCYCLOPEDIA EARTH'S STORY. 2015 Ed. LONDON: PARRAGON BOOK PUBLISHERS, 2019.

Cita MLA (9a ed.)

PARRAGON BOOKS. ULTIMATE VISUAL ENCYCLOPEDIA EARTH'S STORY. 2015 Ed. PARRAGON BOOK PUBLISHERS, 2019.