APA (7th ed.) Citation

Harper, R. F. (1911). Assyrian and Babylonian letters. Assyrian and Babylonian letters belonging to the K[ouyunjik] collection[s] of the British Museum.

Chicago Style (17th ed.) Citation

Harper, Robert Francis. "Assyrian and Babylonian Letters." Assyrian and Babylonian Letters Belonging to the K[ouyunjik] Collection[s] of the British Museum 1911.

MLA (9th ed.) Citation

Harper, Robert Francis. "Assyrian and Babylonian Letters." Assyrian and Babylonian Letters Belonging to the K[ouyunjik] Collection[s] of the British Museum, 1911.

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