APA (7th ed.) Citation

Morpurgo, M. (1990). My friend Walter / Michael Morpurgo. Heinemann.

Chicago Style (17th ed.) Citation

Morpurgo, Michael. My Friend Walter / Michael Morpurgo. Oxford: Heinemann, 1990.

MLA (9th ed.) Citation

Morpurgo, Michael. My Friend Walter / Michael Morpurgo. Heinemann, 1990.

Warning: These citations may not always be 100% accurate.