APA (7th ed.) Citation

Gill, E., Tegetmeier, P., Gill, J., Pepler, D., Pepler, S., & Pepler, M. (1919). A Christmas book. S. Dominic's Press.

Chicago Style (17th ed.) Citation

Gill, E., Petra Tegetmeier, Joanna Gill, David Pepler, Susan Pepler, and Mark Pepler. A Christmas Book. Ditchling, Sussex: S. Dominic's Press, 1919.

MLA (8th ed.) Citation

Gill, E., et al. A Christmas Book. S. Dominic's Press, 1919.