APA (7th ed.) Citation

Andrea M Harriott, Larus S Gudmundsson, & Jan Hoffmann. (2018). Headache highlights 2017. SAGE Publishing.

Chicago Style (17th ed.) Citation

Andrea M Harriott, Larus S Gudmundsson, and Jan Hoffmann. Headache Highlights 2017. SAGE Publishing, 2018.

MLA (9th ed.) Citation

Andrea M Harriott, et al. Headache Highlights 2017. SAGE Publishing, 2018.

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