APA (7th ed.) Citation

Wilson, J., Fine, A., & Morpurgo, M. (1995). Three for tea. Egmont publisher.

Chicago Style (17th ed.) Citation

Wilson, Jacqueline, Anne Fine, and Michael Morpurgo. Three for Tea. London: Egmont publisher, 1995.

MLA (9th ed.) Citation

Wilson, Jacqueline, et al. Three for Tea. Egmont publisher, 1995.