Cita APA (7th ed.)

ebrary, Inc, & Webster, R. G. (2013). Textbook of influenza (2nd ed.). Wiley-Blackwell.

Cita Chicago (17th ed.)

ebrary, Inc, i Robert G. Webster. Textbook of Influenza. 2nd ed. Chichester, West Sussex, U.K.: Wiley-Blackwell, 2013.

Cita MLA (9th ed.)

ebrary, Inc, i Robert G. Webster. Textbook of Influenza. 2nd ed. Wiley-Blackwell, 2013.