APA (7th ed.) Citation

Burgan, M., & Gutierrez, M. (2021). What Is the Coronavirus Disease COVID-19? Penguin Workshop.

Chicago Style (17th ed.) Citation

Burgan, Michael, and Manuel Gutierrez. What Is the Coronavirus Disease COVID-19? New York: Penguin Workshop, 2021.

MLA (9th ed.) Citation

Burgan, Michael, and Manuel Gutierrez. What Is the Coronavirus Disease COVID-19? Penguin Workshop, 2021.

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