APA (7th ed.) Citation
Cramer, F., & Keller, G. Cromatografia sobre papel.
Chicago Style (17th ed.) Citation
Cramer, Friedrich, and Guillermo Keller. Cromatografia Sobre Papel.
MLA (9th ed.) Citation
Cramer, Friedrich, and Guillermo Keller. Cromatografia Sobre Papel.
Warning: These citations may not always be 100% accurate.