APA (7th ed.) Citation

Singer, P., & Casal, P. (1999). Liberación animal. Editorial Trotta.

Chicago Style (17th ed.) Citation

Singer, Peter, and Paula Casal. Liberación Animal. Madrid: Editorial Trotta, 1999.

MLA (9th ed.) Citation

Singer, Peter, and Paula Casal. Liberación Animal. Editorial Trotta, 1999.

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