Cita APA

American Association of Physics Teachers, & American Association of Physics Teachers. (1965). Liquid Helium. New York, New York.

Citación estilo Chicago

American Association of Physics Teachers, y American Association of Physics Teachers. Liquid Helium. New York, New York, 1965.

Cita MLA

American Association of Physics Teachers, y American Association of Physics Teachers. Liquid Helium. New York, New York, 1965.