APA (7th ed.) Citation

Siefring, J., & Speake, J. (2004). The Oxford dictionary of idioms (2nd ed.). Oxford University Press.

Chicago Style (17th ed.) Citation

Siefring, Judith, and Jennifer Speake. The Oxford Dictionary of Idioms. 2nd ed. Oxford ; New York: Oxford University Press, 2004.

MLA (9th ed.) Citation

Siefring, Judith, and Jennifer Speake. The Oxford Dictionary of Idioms. 2nd ed. Oxford University Press, 2004.