APA
Donaldson J., . (2007). Where is the snail?. Oxford: Oxford University Press.
Chicago
Donaldson Julia, . 2007. Where is the snail?. Oxford: Oxford University Press.
Harvard
Donaldson J., . (2007). Where is the snail?. Oxford: Oxford University Press.
MLA
Donaldson Julia, . Where is the snail?. Oxford: Oxford University Press. 2007.