APA (7th ed.) Citation

Leeuw, M. d., & Vanden Heede, S. (2019). Slaap lekker! Lannoo.

Chicago Style (17th ed.) Citation

Leeuw, Mattias de, and Sylvia Vanden Heede. Slaap Lekker! Tielt: Lannoo, 2019.

MLA (9th ed.) Citation

Leeuw, Mattias de, and Sylvia Vanden Heede. Slaap Lekker! Lannoo, 2019.

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