Cita APA (7a ed.)

Preston, R. J. j., & Wright, V. G. Identification of southeastern trees in winter. North Carolina Agricultural Extension Service.

Cita Chicago Style (17a ed.)

Preston, Richard J. jr., y Valerie G. Wright. Identification of Southeastern Trees in Winter. North Carolina Agricultural Extension Service.

Cita MLA (8a ed.)

Preston, Richard J. jr., y Valerie G. Wright. Identification of Southeastern Trees in Winter. North Carolina Agricultural Extension Service.

Cita IICA/CATIE

Preston, R. J. j., ; Wright, V. G. Identification of southeastern trees in winter. North Carolina Agricultural Extension Service.