Cita APA

Williams Johnson, M., & Williams Johnson, M. (1999). Manganese and its compounds. Geneva: World Health Organization.

Citación estilo Chicago

Williams Johnson, Mildred, y Mildred Williams Johnson. Manganese and Its Compounds. Geneva: World Health Organization, 1999.

Cita MLA

Williams Johnson, Mildred, y Mildred Williams Johnson. Manganese and Its Compounds. Geneva: World Health Organization, 1999.

Precaución: Estas citas no son 100% exactas.