Cita APA (7a ed.)
L, E. (2004). Public Library of Science launches 'author pays' model. BMJ: British Medical Journal (International Edition), 329(7473), 996-997.
Cita Chicago Style (17a ed.)
L, Eaton. "Public Library of Science Launches 'Author Pays' Model." BMJ: British Medical Journal (International Edition) 329, no. 7473 (2004): 996-997.
Cita MLA (9a ed.)
L, Eaton. "Public Library of Science Launches 'Author Pays' Model." BMJ: British Medical Journal (International Edition), vol. 329, no. 7473, 2004, pp. 996-997.
Precaución: Estas citas no son 100% exactas.