APA (7th ed.) Citation

A, M., & MS, R. (2017). Headache in Neuromyelitis Optica. Current pain and headache reports, 21(4), 20. https://doi.org/10.1007/s11916-017-0620-1

Chicago Style (17th ed.) Citation

A, Masters-Israilov, and Robbins MS. "Headache in Neuromyelitis Optica." Current Pain and Headache Reports 21, no. 4 (2017): 20. https://doi.org/10.1007/s11916-017-0620-1.

MLA (9th ed.) Citation

A, Masters-Israilov, and Robbins MS. "Headache in Neuromyelitis Optica." Current Pain and Headache Reports, vol. 21, no. 4, 2017, p. 20, https://doi.org/10.1007/s11916-017-0620-1.