APA

Donaldson J., Gravett E., . (2011). Cave baby. London: Macmillan children's book.

Chicago

Donaldson Julia, Gravett Emily, . 2011. Cave baby. London: Macmillan children's book.

Harvard

Donaldson J., Gravett E., . (2011). Cave baby. London: Macmillan children's book.

MLA

Donaldson Julia, Gravett Emily, . Cave baby. London: Macmillan children's book. 2011.