APA

Stevenson P., . (1991). Picture Word Book 3. London: ladybird.

Chicago

Stevenson Peter, . 1991. Picture Word Book 3. London: ladybird.

Harvard

Stevenson P., . (1991). Picture Word Book 3. London: ladybird.

MLA

Stevenson Peter, . Picture Word Book 3. London: ladybird. 1991.