APA

Estados Unidos. Agency for Toxic Substances and Disease Registry A., . (1999). Formaldehido. Atlanta: Estados Unidos. Department of Health and Human Services.

Chicago

Estados Unidos. Agency for Toxic Substances and Disease Registry ATSDR, . 1999. Formaldehido. Atlanta: Estados Unidos. Department of Health and Human Services.

Harvard

Estados Unidos. Agency for Toxic Substances and Disease Registry A., . (1999). Formaldehido. Atlanta: Estados Unidos. Department of Health and Human Services.

MLA

Estados Unidos. Agency for Toxic Substances and Disease Registry ATSDR, . Formaldehido. Atlanta: Estados Unidos. Department of Health and Human Services. 1999.