APA (7th ed.) Citation

Leggett, A. J. (1987). The problems of physics. Oxford University Press.

Chicago Style (17th ed.) Citation

Leggett, A. J. The Problems of Physics. Oxford [Oxfordshire] ; New York: Oxford University Press, 1987.

MLA (9th ed.) Citation

Leggett, A. J. The Problems of Physics. Oxford University Press, 1987.