APA (7th ed.) Citation

Libera, M., Caputo, V., Laterza, G., Moudoud, L., Soggiu, A., Bonizzi, L., & Diotti, R. A. The Question of HIV Vaccine: Why Is a Solution Not Yet Available? Wiley.

Chicago Style (17th ed.) Citation

Libera, Martina, Valeria Caputo, Giulia Laterza, Louiza Moudoud, Alessio Soggiu, Luigi Bonizzi, and Roberta A. Diotti. The Question of HIV Vaccine: Why Is a Solution Not Yet Available? Wiley.

MLA (9th ed.) Citation

Libera, Martina, et al. The Question of HIV Vaccine: Why Is a Solution Not Yet Available? Wiley.