APA

Buckles M. P., . (1979). Animals and thier world. London: Blandford press.

Chicago

Buckles Mary Parker, . 1979. Animals and thier world. London: Blandford press.

Harvard

Buckles M. P., . (1979). Animals and thier world. London: Blandford press.

MLA

Buckles Mary Parker, . Animals and thier world. London: Blandford press. 1979.