Cita APA (7th ed.)

Espejo Serna, A., & López-Ferrari, A. R. (2004). Notes on the family Bromeliaceae in the Valley of Mexico. Instituto de Ecología, A.C.

Cita Chicago (17th ed.)

Espejo Serna, Adolfo, i Ana Rosa López-Ferrari. Notes on the Family Bromeliaceae in the Valley of Mexico. Instituto de Ecología, A.C, 2004.

Cita MLA (9th ed.)

Espejo Serna, Adolfo, i Ana Rosa López-Ferrari. Notes on the Family Bromeliaceae in the Valley of Mexico. Instituto de Ecología, A.C, 2004.