APA (7th ed.) Citation

Gomes, A., Tan, W., Friedman, B., & Bird, L. P239: Sleep in Angelman syndrome: Data from the Natural History Study. Elsevier.

Chicago Style (17th ed.) Citation

Gomes, Adriana, Wen-Hann Tan, Batsheva Friedman, and Lynne Bird. P239: Sleep in Angelman Syndrome: Data from the Natural History Study. Elsevier.

MLA (9th ed.) Citation

Gomes, Adriana, et al. P239: Sleep in Angelman Syndrome: Data from the Natural History Study. Elsevier.