APA (7e ed.) Bronvermelding

Villanueva-Sánchez, E., Ibañez-Bernal, S., Lomelí-Flores, R., & Valdez Carrasco, J. (2013). Identification and characterization of the black fly, Bradysia difformis (Diptera: Sciaridae) on poinsettia crops (Euphorbia pulcherrima) of central Mexico. Instituto de Ecología, A.C.

Chicago (17e ed.) Bronvermelding

Villanueva-Sánchez, Evert, Sergio Ibañez-Bernal, Refugio Lomelí-Flores, en Jorge Valdez Carrasco. Identification and Characterization of the Black Fly, Bradysia Difformis (Diptera: Sciaridae) on Poinsettia Crops (Euphorbia Pulcherrima) of Central Mexico. Instituto de Ecología, A.C, 2013.

MLA (9e ed.) Bronvermelding

Villanueva-Sánchez, Evert, et al. Identification and Characterization of the Black Fly, Bradysia Difformis (Diptera: Sciaridae) on Poinsettia Crops (Euphorbia Pulcherrima) of Central Mexico. Instituto de Ecología, A.C, 2013.