Cita APA (7a ed.)

O'Neill, R., Kingsbury, R., & Yeadon, T. (1978). Kernel lessons intermediate: Students' book. Eurocentre-Longman.

Cita Chicago Style (17a ed.)

O'Neill, Robert, Roy Kingsbury, y Tony Yeadon. Kernel Lessons Intermediate: Students' Book. London: Eurocentre-Longman, 1978.

Cita MLA (8a ed.)

O'Neill, Robert, et al. Kernel Lessons Intermediate: Students' Book. Eurocentre-Longman, 1978.