APA (7th ed.) Citation

William, D. K. (2006). The picnic: Level 1. Harcourt.

Chicago Style (17th ed.) Citation

William, David K. The Picnic: Level 1. London: Harcourt, 2006.

MLA (9th ed.) Citation

William, David K. The Picnic: Level 1. Harcourt, 2006.

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