Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

Nuttall, William J., et al. The Future of Helium as a Natural Resource. Routledge, 2012.