APA (7e ed.) Bronvermelding

Castro, M. E., & Torrecilla, P. (2013). Studies of leaf surface of some Bursera Jacq. ex L. (Burseraceae) species and its taxonomic implications. Instituto de Ecología, A.C.

Chicago (17e ed.) Bronvermelding

Castro, Mercedes E., en Pedro Torrecilla. Studies of Leaf Surface of Some Bursera Jacq. Ex L. (Burseraceae) Species and Its Taxonomic Implications. Instituto de Ecología, A.C, 2013.

MLA (9e ed.) Bronvermelding

Castro, Mercedes E., en Pedro Torrecilla. Studies of Leaf Surface of Some Bursera Jacq. Ex L. (Burseraceae) Species and Its Taxonomic Implications. Instituto de Ecología, A.C, 2013.