APA (7th ed.) Citation

Stigsson Lars, Berglin Niklas, Olm Leelo, Tormund Disa, Tomani Per, Hk̄ansdotter-Palm Lina, & Delin Lennart. Sulphur-free pulping. The novacell process.

Chicago Style (17th ed.) Citation

Stigsson Lars, Berglin Niklas, Olm Leelo, Tormund Disa, Tomani Per, Hk̄ansdotter-Palm Lina, and Delin Lennart. Sulphur-free Pulping. The Novacell Process.

MLA (9th ed.) Citation

Stigsson Lars, et al. Sulphur-free Pulping. The Novacell Process.

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