Citazione Stile APA (7a Edizione)

de la Paz Pérez Olvera, C., & Ceja-Romero, J. (2019). Anatomy of leaves of six Pinus species from the state of Durango, México. Instituto de Ecología, A.C.

Citazione stile Chigago Style (17a edizione)

de la Paz Pérez Olvera, Carmen, e Jacqueline Ceja-Romero. Anatomy of Leaves of Six Pinus Species from the State of Durango, México. Instituto de Ecología, A.C, 2019.

Citatione MLA (9a ed.)

de la Paz Pérez Olvera, Carmen, e Jacqueline Ceja-Romero. Anatomy of Leaves of Six Pinus Species from the State of Durango, México. Instituto de Ecología, A.C, 2019.