APA (7th ed.) Citation

Thomsen, E. (1987). Lower cretaceous calcareous nannofossil biostratigraphy in the Danish Central Trough. Reitzel.

Chicago Style (17th ed.) Citation

Thomsen, Erik. Lower Cretaceous Calcareous Nannofossil Biostratigraphy in the Danish Central Trough. København: Reitzel, 1987.

MLA (9th ed.) Citation

Thomsen, Erik. Lower Cretaceous Calcareous Nannofossil Biostratigraphy in the Danish Central Trough. Reitzel, 1987.

Warning: These citations may not always be 100% accurate.