Cita APA (7th ed.)
Roukens, A. H. E. (2010). Travel medicine: Knowledge, attitude, practice and immunisation. IOS Press.
Cita Chicago (17th ed.)
Roukens, Anna Helena Elvire. Travel Medicine: Knowledge, Attitude, Practice and Immunisation. Amsterdam: IOS Press, 2010.
Cita MLA (9th ed.)
Roukens, Anna Helena Elvire. Travel Medicine: Knowledge, Attitude, Practice and Immunisation. IOS Press, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.