APA Edition Citation

Ludwig, C. H., & Sarkanen, K. V. Lignins: Occurrence, formation, structure and reactions.

Chicago Edition Citation

Ludwig, C. H., and K. V. Sarkanen. Lignins: Occurrence, Formation, Structure and Reactions.

MLA Edition Citation

Ludwig, C. H., and K. V. Sarkanen. Lignins: Occurrence, Formation, Structure and Reactions.

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