APA (7th ed.) Citation

Helleu, A., & Gray, M. A. (1940). Jeanne Jugan: Foundress of the Little Sisters of the Poor. B. Herder.

Chicago Style (17th ed.) Citation

Helleu, Arsène, and Mary Agatha Gray. Jeanne Jugan: Foundress of the Little Sisters of the Poor. St. Louis: B. Herder, 1940.

MLA (8th ed.) Citation

Helleu, Arsène, and Mary Agatha Gray. Jeanne Jugan: Foundress of the Little Sisters of the Poor. B. Herder, 1940.

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