Cita APA

IDS Betula Symposium. (1993). Betula: Proceedings of the IDS Betula Symposium 2-4 October 1992. England: International Dendrology Society.

Citación estilo Chicago

IDS Betula Symposium. Betula: Proceedings of the IDS Betula Symposium 2-4 October 1992. England: International Dendrology Society, 1993.

Cita MLA

IDS Betula Symposium. Betula: Proceedings of the IDS Betula Symposium 2-4 October 1992. England: International Dendrology Society, 1993.