APA (7th ed.) Citation

Potter, B., & Cavaliero, G. (1986). Beatrix Potter's journal (Abridged ed.). Warne.

Chicago Style (17th ed.) Citation

Potter, Beatrix, and Glen Cavaliero. Beatrix Potter's Journal. Abridged ed. Harmondsworth: Warne, 1986.

MLA (9th ed.) Citation

Potter, Beatrix, and Glen Cavaliero. Beatrix Potter's Journal. Abridged ed. Warne, 1986.