APA (7th ed.) Citation

Emerson, A. B. Ruth Fielding and the Gypsies; Or, The Missing Pearl Necklace.

Chicago Style (17th ed.) Citation

Emerson, Alice B. Ruth Fielding and the Gypsies; Or, The Missing Pearl Necklace.

MLA (9th ed.) Citation

Emerson, Alice B. Ruth Fielding and the Gypsies; Or, The Missing Pearl Necklace.

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