Cita APA (7a ed.)

Urbano, C. To count or not to count, that is the question. Anuario ThinkEPI., (2007),156-158, .

Cita Chicago Style (17a ed.)

Urbano, Cristóbal. "To Count or Not to Count, That Is the Question." Anuario ThinkEPI. (2007),156-158 ().

Cita MLA (9a ed.)

Urbano, Cristóbal. "To Count or Not to Count, That Is the Question." Anuario ThinkEPI., vol. (2007),156-158, .