APA (7th ed.) Citation
Skrøppa, T., Programme, E. F. G. R., & Institute, I. P. G. R. (2003). Norway spruce (Picea abies).
Chicago Style (17th ed.) Citation
Skrøppa, T., European Forest Genetic Resources Programme, and International Plant Genetic Resources Institute. Norway Spruce (Picea Abies). 2003.
MLA (9th ed.) Citation
Skrøppa, T., et al. Norway Spruce (Picea Abies). 2003.
Warning: These citations may not always be 100% accurate.