Cita APA (7a ed.)
Koski, V., Skrøppa, T., Paule, L., Wolf, H., Turok, J., & Programme, E. F. G. R. (1997). Technical guidelines for genetic conservation of Norway spruce (Picea abies (L.) Karst.).
Cita Chicago Style (17a ed.)
Koski, V., T. Skrøppa, L. Paule, H. Wolf, J. Turok, y European Forest Genetic Resources Programme. Technical Guidelines for Genetic Conservation of Norway Spruce (Picea Abies (L.) Karst.). 1997.
Cita MLA (9a ed.)
Koski, V., et al. Technical Guidelines for Genetic Conservation of Norway Spruce (Picea Abies (L.) Karst.). 1997.
Precaución: Estas citas no son 100% exactas.