(2008). Precarious matters / Prekäre Stoffe: The history of dangerous and endangered substances un the 19th and 20th centuries / Viola Balz. (eds.). Max-Planck-Institut für Wissenschaftsgeschichte.
Cita Chicago (17th ed.)Precarious Matters / Prekäre Stoffe: The History of Dangerous and Endangered Substances Un the 19th and 20th Centuries / Viola Balz. (eds.). Berlin: Max-Planck-Institut für Wissenschaftsgeschichte, 2008.
Cita MLA (8th ed.)Precarious Matters / Prekäre Stoffe: The History of Dangerous and Endangered Substances Un the 19th and 20th Centuries / Viola Balz. (eds.). Max-Planck-Institut für Wissenschaftsgeschichte, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.