Cita APA (7th ed.)
(1969). Cleaning our enviroment: The chemical basis for action. American chemical society.
Cita Chicago (17th ed.)
Cleaning Our Enviroment: The Chemical Basis for Action. Wshington: American chemical society, 1969.
Cita MLA (9th ed.)
Cleaning Our Enviroment: The Chemical Basis for Action. American chemical society, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.