APA (7th ed.) Citation

Haas, L. E. M., Thijsen, S. F. T., Elden, L. v., & Heemstra, K. A. (2013, January). Human Metapneumovirus in Adults. Viruses.

Chicago Style (17th ed.) Citation

Haas, Lenneke E. M., Steven F. T. Thijsen, Leontine van Elden, and Karen A. Heemstra. "Human Metapneumovirus in Adults." Viruses Jan. 2013.

MLA (9th ed.) Citation

Haas, Lenneke E. M., et al. "Human Metapneumovirus in Adults." Viruses, Jan. 2013.

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