APA Style
Black, D, P, J., Ogborn, J. (1971).
Physics Teachers'guide Unit 4 Waves and oscillations .
London:
The Nufflield Foundation.
MLA Style
Black, Dr, P., J.., Ogborn, Jon.
"Physics Teachers'guide Unit 4 Waves and oscillations".
London:
The Nufflield Foundation,
1971.
Text.