APA Edition Citation

Nelkon, M., & Ogborn, J. M. (1983). Advanced level practical physics (Ed.4.).

Chicago Edition Citation

Nelkon, M., and J M. Ogborn. Advanced Level Practical Physics. Ed.4. New Delhi, Hienemann Educational Books, 1983.

MLA Edition Citation

Nelkon, M., and J M. Ogborn. Advanced Level Practical Physics. Ed.4. 1983.