APA (7th ed.) Citation

Derrick, L. N., Jermy, A. C., & Paul, A. M. (1987). Checklist of European Pteridophytes. Botan. Garden and Museum, Univ. of Oslo.

Chicago Style (17th ed.) Citation

Derrick, Lewis N., A. C. Jermy, and Alison M. Paul. Checklist of European Pteridophytes. Oslo: Botan. Garden and Museum, Univ. of Oslo, 1987.

MLA (9th ed.) Citation

Derrick, Lewis N., et al. Checklist of European Pteridophytes. Botan. Garden and Museum, Univ. of Oslo, 1987.