APA (7th ed.) Citation

Watts, R. L. (2006). Sistemas federales comparados. Marcial Pons.

Chicago Style (17th ed.) Citation

Watts, Ronald L. Sistemas Federales Comparados. Madrid [etc.]: Marcial Pons, 2006.

MLA (9th ed.) Citation

Watts, Ronald L. Sistemas Federales Comparados. Marcial Pons, 2006.

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