Cita APA (7a ed.)

Johnson, A. E., & Williams, E. C. (2012). Fuel cell efficiency. Nova Science Publishers.

Cita Chicago Style (17a ed.)

Johnson, Ava E., y Emily C. Williams. Fuel Cell Efficiency. New York: Nova Science Publishers, 2012.

Cita MLA (8a ed.)

Johnson, Ava E., y Emily C. Williams. Fuel Cell Efficiency. Nova Science Publishers, 2012.