Gaya APA

], A, L, [, E, A. (2013). Nutrient requirements differ in two Pedicularis species in the absence of a host plant: implication for driving forces in the evolution of host preference of root hemiparasitic plants . Oxford: Oxford University Press on behalf of the Annals of Botany Company.

Gaya MLA

], Ai-Rong, Li, [, Et, Al.. "Nutrient requirements differ in two Pedicularis species in the absence of a host plant: implication for driving forces in the evolution of host preference of root hemiparasitic plants". Oxford: Oxford University Press on behalf of the Annals of Botany Company, 2013. e-journal.