APA

clark l., . (1978). the ecology of insect populations in theory and practice. london: elbs & chapman & hall.

Chicago

clark l.r, . 1978. the ecology of insect populations in theory and practice. london: elbs & chapman & hall.

Harvard

clark l., . (1978). the ecology of insect populations in theory and practice. london: elbs & chapman & hall.

MLA

clark l.r, . the ecology of insect populations in theory and practice. london: elbs & chapman & hall. 1978.