APA Edition Citation

Nelkon, M., & Ogborn, J. M. (1977). Advanced level practical physics.

Chicago Edition Citation

Nelkon, M., and J M. Ogborn. Advanced Level Practical Physics. Singapore, English language book society, 1977.

MLA Edition Citation

Nelkon, M., and J M. Ogborn. Advanced Level Practical Physics. 1977.

Warning: These citations may not always be 100% accurate.