APA (7th ed.) Citation

National Geographic Society. (1996). EL REINO ANIMAL. R.B.A. Publicaciones.

Chicago Style (17th ed.) Citation

National Geographic Society. EL REINO ANIMAL. Barcelona: R.B.A. Publicaciones, 1996.

MLA (9th ed.) Citation

National Geographic Society. EL REINO ANIMAL. R.B.A. Publicaciones, 1996.

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