APA (7th ed.) Citation
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.).
Chicago Style (17th ed.) Citation
Koski, V., T. Skrøppa, L. Paule, H. Wolf, J. Turok, and European Forest Genetic Resources Programme. Technical Guidelines for Genetic Conservation of Norway Spruce (Picea Abies (L.) Karst.). 1997.
MLA (9th ed.) Citation
Koski, V., et al. Technical Guidelines for Genetic Conservation of Norway Spruce (Picea Abies (L.) Karst.). 1997.
Warning: These citations may not always be 100% accurate.