MLA

Låg, Jul. Excess and Deficiency of Trace Elements In Relation to Human and Animal Health In Arctic and Subarctic Regions. Oslo: Norwegian Academy of Science and Letters, 1990.

APA

Låg, J. (1990). Excess and deficiency of trace elements in relation to human and animal health in Arctic and Subarctic regions. Oslo: Norwegian Academy of Science and Letters.

Chicago

Låg, Jul, ed. Excess and Deficiency of Trace Elements In Relation to Human and Animal Health In Arctic and Subarctic Regions. Oslo: Norwegian Academy of Science and Letters, 1990.