APA (7th ed.) Citation

Wallace, K. (1993). Why Count Sheep?: A Bedtime Book. All Books For Children.

Chicago Style (17th ed.) Citation

Wallace, Karen. Why Count Sheep?: A Bedtime Book. London: All Books For Children, 1993.

MLA (9th ed.) Citation

Wallace, Karen. Why Count Sheep?: A Bedtime Book. All Books For Children, 1993.

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