APA (7th ed.) Citation

Durrell, G., & Durrell, L. (1992). La Guía del naturalista. Hermann Blume.

Chicago Style (17th ed.) Citation

Durrell, Gerald, and Lee Durrell. La Guía Del Naturalista. Madrid: Hermann Blume, 1992.

MLA (9th ed.) Citation

Durrell, Gerald, and Lee Durrell. La Guía Del Naturalista. Hermann Blume, 1992.