APA (7th ed.) Citation

(1988). Método de Billings. Artigas, UY: A.U.P.F.I.R.H..

Chicago Style (17th ed.) Citation

Método De Billings. Artigas, UY: A.U.P.F.I.R.H., 1988.

MLA (9th ed.) Citation

Método De Billings. Artigas, UY: A.U.P.F.I.R.H., 1988.

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