APA (7th ed.) Citation

Hansmann, C., Stingl, R., & Teischinger, A. Inquiry in beech wood processing industry concerning red heartwood.

Chicago Style (17th ed.) Citation

Hansmann, Christian, Robert Stingl, and Alfred Teischinger. Inquiry in Beech Wood Processing Industry Concerning Red Heartwood.

MLA (9th ed.) Citation

Hansmann, Christian, et al. Inquiry in Beech Wood Processing Industry Concerning Red Heartwood.