APA (7th ed.) Citation

Sherrard, O. A., Hall, E. M., Hall, E. A., & Mills, A. R. (1966). Two Victorian girls. Frederick Muller.

Chicago Style (17th ed.) Citation

Sherrard, O. A., Emily Mary Hall, Ellen Augusta Hall, and A. R. Mills. Two Victorian Girls. London: Frederick Muller, 1966.

MLA (8th ed.) Citation

Sherrard, O. A., et al. Two Victorian Girls. Frederick Muller, 1966.