Cita APA (7a ed.)

SIGMA: Biochemical and reagents for life science research. SIGMA.

Cita Chicago Style (17a ed.)

SIGMA: Biochemical and Reagents for Life Science Research. Missouri: SIGMA.

Cita MLA (8a ed.)

SIGMA: Biochemical and Reagents for Life Science Research. SIGMA.

Precaución: Estas citas no son 100% exactas.