Cita APA (7a ed.)
Qian, B., Gameda, S., Zhang, X., & De Long, R. (2012). Changing growing season observed in Canada. Springer.
Cita Chicago Style (17a ed.)
Qian, Budong, Samuel Gameda, Xuebin Zhang, y Reinder De Long. Changing Growing Season Observed in Canada. Springer, 2012.
Cita MLA (9a ed.)
Qian, Budong, et al. Changing Growing Season Observed in Canada. Springer, 2012.
Precaución: Estas citas no son 100% exactas.