APA (7th ed.) Citation

Helm, N. L. Uncle Robert's Geography (Uncle Robert's Visit, V.3).

Chicago Style (17th ed.) Citation

Helm, Nellie Lathrop. Uncle Robert's Geography (Uncle Robert's Visit, V.3).

MLA (9th ed.) Citation

Helm, Nellie Lathrop. Uncle Robert's Geography (Uncle Robert's Visit, V.3).

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