Cita APA (7a ed.)

Fickett, A. P., Gellings, C. W., & Lovins, A. B. Efficient uses of energy.

Cita Chicago Style (17a ed.)

Fickett, Arnold P., Clerk W. Gellings, y Amory B. Lovins. Efficient Uses of Energy.

Cita MLA (9a ed.)

Fickett, Arnold P., et al. Efficient Uses of Energy.