APA (7th ed.) Citation

Grasser, G., & Enna, F. G. A. (2005). Synthetic Tannins, Their Synthesis, Industrial Production and Application. Project Gutenberg.

Chicago Style (17th ed.) Citation

Grasser, Georg, and Fini Georges Alexander Enna. Synthetic Tannins, Their Synthesis, Industrial Production and Application. Project Gutenberg, 2005.

MLA (9th ed.) Citation

Grasser, Georg, and Fini Georges Alexander Enna. Synthetic Tannins, Their Synthesis, Industrial Production and Application. Project Gutenberg, 2005.

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