Cita APA

Nuttall, W. J., Clarke, R. H., & Glowacki, B. A. (2012). The future of helium as a natural resource. New York: Routledge.

Citación estilo Chicago

Nuttall, William J., Richard H. Clarke, and Bartek Andrzej Glowacki. The Future of Helium As a Natural Resource. New York: Routledge, 2012.

Cita MLA

Nuttall, William J., Richard H. Clarke, and Bartek Andrzej Glowacki. The Future of Helium As a Natural Resource. New York: Routledge, 2012.