APA (7th ed.) Citation

**THERE WAS AN OLD LADY WHO SWALLOWED SOME BOOKS**.

Chicago Style (17th ed.) Citation

**THERE WAS AN OLD LADY WHO SWALLOWED SOME BOOKS**.

MLA (8th ed.) Citation

**THERE WAS AN OLD LADY WHO SWALLOWED SOME BOOKS**.

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