APA (7th ed.) Citation

Mary Charlotte, S., Mary Brendan, S., & Synon, M. (1951). A book of friendliness: A collection of the prose and poetry which has helped to better the world. Ginn.

Chicago Style (17th ed.) Citation

Mary Charlotte, Sister, Sister Mary Brendan, and Mary Synon. A Book of Friendliness: A Collection of the Prose and Poetry Which Has Helped to Better the World. Boston: Ginn, 1951.

MLA (8th ed.) Citation

Mary Charlotte, Sister, et al. A Book of Friendliness: A Collection of the Prose and Poetry Which Has Helped to Better the World. Ginn, 1951.

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