APA (7th ed.) Citation

Cassel, D., & Ulrich, V. Coronavirus Vaccines in Abundance — What Then? Sciendo.

Chicago Style (17th ed.) Citation

Cassel, Dieter, and Volker Ulrich. Coronavirus Vaccines in Abundance — What Then? Sciendo.

MLA (9th ed.) Citation

Cassel, Dieter, and Volker Ulrich. Coronavirus Vaccines in Abundance — What Then? Sciendo.

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