Gaya APA

Polko, J, K, [. (2011). Petiole hyponasty: an ethylene-driven, adaptive response to changes in the environment (2011: plr031). Oxford: Oxford University Press.

Gaya MLA

Polko, Joanna, K., [et,al.]. "Petiole hyponasty: an ethylene-driven, adaptive response to changes in the environment". 2011: plr031 Oxford: Oxford University Press, 2011. e-journal.