Cita APA (7th ed.)

Spellenberg, R. (1998). Quercus leseuri, a southern member of the Q. x undulata complex (Fagaceae, subgenus Quercus). Instituto de Ecología, A.C.

Cita Chicago (17th ed.)

Spellenberg, Richard. Quercus Leseuri, a Southern Member of the Q. X Undulata Complex (Fagaceae, Subgenus Quercus). Instituto de Ecología, A.C, 1998.

Cita MLA (9th ed.)

Spellenberg, Richard. Quercus Leseuri, a Southern Member of the Q. X Undulata Complex (Fagaceae, Subgenus Quercus). Instituto de Ecología, A.C, 1998.