APA način citiranja

Vallejos, J., Badilla, Y., Picado, F., & Murillo, O. (2009). Plus trees selection and incorporation in tree improvement programs.

Čikaški stil citiranja

Vallejos, Jonathan, Yorleny Badilla, Félix Picado, i Olman Murillo. Plus Trees Selection and Incorporation in Tree Improvement Programs. 2009.

MLA način citiranja

Vallejos, Jonathan, Yorleny Badilla, Félix Picado, i Olman Murillo. Plus Trees Selection and Incorporation in Tree Improvement Programs. 2009.