Cita APA (7th ed.)

Spellenberg, R. (1990). Note on the type, identification and type locality of Quercus oblongifolia var. pallidinervis (Fagaceae) in Chihuahua. Instituto de Ecología, A.C.

Cita Chicago (17th ed.)

Spellenberg, Richard. Note on the Type, Identification and Type Locality of Quercus Oblongifolia Var. Pallidinervis (Fagaceae) in Chihuahua. Instituto de Ecología, A.C, 1990.

Cita MLA (9th ed.)

Spellenberg, Richard. Note on the Type, Identification and Type Locality of Quercus Oblongifolia Var. Pallidinervis (Fagaceae) in Chihuahua. Instituto de Ecología, A.C, 1990.