APA-viite (7. p.)

Bravo-Mendoza, M., Espinosa-Cantú, A., Castellanos-Vargas, I., & Cano-Santana, Z. (2007). Neobuxbaumia tetetzo size and length of its apical spines in a light gradient under Mimosa luisana, a nurse shrub. Instituto de Ecología, A.C.

Chicago-viite (17. p.)

Bravo-Mendoza, Mariana, Adriana Espinosa-Cantú, Iván Castellanos-Vargas, ja Zenón Cano-Santana. Neobuxbaumia Tetetzo Size and Length of Its Apical Spines in a Light Gradient Under Mimosa Luisana, a Nurse Shrub. Instituto de Ecología, A.C, 2007.

MLA-viite (9. p.)

Bravo-Mendoza, Mariana, et al. Neobuxbaumia Tetetzo Size and Length of Its Apical Spines in a Light Gradient Under Mimosa Luisana, a Nurse Shrub. Instituto de Ecología, A.C, 2007.