APA

De Ong E. R., . (1960). Chemical and natural control of pests. New York: Reinhold Pub. Corp.

Chicago

De Ong E R, . 1960. Chemical and natural control of pests. New York: Reinhold Pub. Corp.

Harvard

De Ong E. R., . (1960). Chemical and natural control of pests. New York: Reinhold Pub. Corp.

MLA

De Ong E R, . Chemical and natural control of pests. New York: Reinhold Pub. Corp. 1960.