APA (7th ed.) Citation

Higgs, P., Doyle, J., Luppi, J., Dietze, P., & Hellard, M. (2016). Field engagement further facilitates hepatitis B vaccination completion: Letter in response to: Day et al. (in press). Elsevier.

Chicago Style (17th ed.) Citation

Higgs, Peter, J. Doyle, J. Luppi, P. Dietze, and M. Hellard. Field Engagement Further Facilitates Hepatitis B Vaccination Completion: Letter in Response to: Day Et Al. (in Press). Elsevier, 2016.

MLA (9th ed.) Citation

Higgs, Peter, et al. Field Engagement Further Facilitates Hepatitis B Vaccination Completion: Letter in Response to: Day Et Al. (in Press). Elsevier, 2016.