APA (7th ed.) Citation

HERTLING, g., & HEINZ, L. Política social. Calleja.

Chicago Style (17th ed.) Citation

HERTLING, georg, and Luis HEINZ. Política Social. Madrid: Calleja.

MLA (9th ed.) Citation

HERTLING, georg, and Luis HEINZ. Política Social. Calleja.

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