APA

Shacklette H. T., . (1980). Elements in fruits and vegetables from areas of commercial production in the conterminous United States. Washington, DC: U.S. Gov. Print. Off.

Chicago

Shacklette Hansford T, . 1980. Elements in fruits and vegetables from areas of commercial production in the conterminous United States. Washington, DC: U.S. Gov. Print. Off.

Harvard

Shacklette H. T., . (1980). Elements in fruits and vegetables from areas of commercial production in the conterminous United States. Washington, DC: U.S. Gov. Print. Off.

MLA

Shacklette Hansford T, . Elements in fruits and vegetables from areas of commercial production in the conterminous United States. Washington, DC: U.S. Gov. Print. Off. 1980.