Gaya APA

Metcalf, R, L., , . (1955). Organic Insecticides : Their Chemistry and Modeof Action . New York: New York: Interscience Publishers; 1955.

Gaya MLA

Metcalf, Robert, L., , . "Organic Insecticides : Their Chemistry and Modeof Action". New York: New York: Interscience Publishers; 1955, 1955. .