Cita APA (7a ed.)
ebrary, Inc, & Becker, L. A. (2011). Helium: Characteristics, compounds, and applications. Nova Science Publishers.
Cita Chicago Style (17a ed.)
ebrary, Inc, y Lucas A. Becker. Helium: Characteristics, Compounds, and Applications. New York: Nova Science Publishers, 2011.
Cita MLA (9a ed.)
ebrary, Inc, y Lucas A. Becker. Helium: Characteristics, Compounds, and Applications. Nova Science Publishers, 2011.
Precaución: Estas citas no son 100% exactas.