APA
Nichols David & Cooke John A. L, . (1971). The oxford book of invertebrates. OUP, New York: .
Chicago
Nichols David & Cooke John A. L, . 1971. The oxford book of invertebrates. OUP, New York: .
Harvard
Nichols David & Cooke John A. L, . (1971). The oxford book of invertebrates. OUP, New York: .
MLA
Nichols David & Cooke John A. L, . The oxford book of invertebrates. OUP, New York: . 1971.