APA Citation

Kelsen, H. 1., & Squella Narducci, A. Norma y valor.

Chicago Style Citation

Kelsen, Hans 1881-1973, and Agustin Squella Narducci. Norma Y Valor.

MLA Citation

Kelsen, Hans 1881-1973, and Agustin Squella Narducci. Norma Y Valor.

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