APA (7th ed.) Citation

Riches, C. c. 2. J., & Palmowski, J. (2019). A dictionary of contemporary world history: Over 2800 entries (Fifth edition.). Oxford University Press. https://doi.org/10.1093/acref/9780191870903.001.0001

Chicago Style (17th ed.) Citation

Riches, Christopher ca. 21. Jh, and Jan Palmowski. A Dictionary of Contemporary World History: Over 2800 Entries. Fifth edition. Oxford: Oxford University Press, 2019. https://doi.org/10.1093/acref/9780191870903.001.0001.

MLA (9th ed.) Citation

Riches, Christopher ca. 21. Jh, and Jan Palmowski. A Dictionary of Contemporary World History: Over 2800 Entries. Fifth edition. Oxford University Press, 2019. https://doi.org/10.1093/acref/9780191870903.001.0001.