APA (7th ed.) Citation

Knaplund, P. (1942). The British Empire 1815-1839 / by P. Knaplund. Hamilton.

Chicago Style (17th ed.) Citation

Knaplund, P. The British Empire 1815-1839 / by P. Knaplund. Hamilton, 1942.

MLA (9th ed.) Citation

Knaplund, P. The British Empire 1815-1839 / by P. Knaplund. Hamilton, 1942.

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