APA (7th ed.) Citation

Oman, C. (1919). The Outbreak of the War of 1914-18. H. M. Stat. Off.

Chicago Style (17th ed.) Citation

Oman, Charles. The Outbreak of the War of 1914-18. London: H. M. Stat. Off, 1919.

MLA (9th ed.) Citation

Oman, Charles. The Outbreak of the War of 1914-18. H. M. Stat. Off, 1919.

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