APA (7th ed.) Citation

Elwin Hartley, E. Enciclopedia del caballo.

Chicago Style (17th ed.) Citation

Elwin Hartley, Edwards. Enciclopedia Del Caballo. Barcelona.

MLA (9th ed.) Citation

Elwin Hartley, Edwards. Enciclopedia Del Caballo.

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