APA (7th ed.) Citation

Burningham, J. (1970). Mr Gumpy's outing / John Burningham. Jonathan Cape.

Chicago Style (17th ed.) Citation

Burningham, John. Mr Gumpy's Outing / John Burningham. London: Jonathan Cape, 1970.

MLA (9th ed.) Citation

Burningham, John. Mr Gumpy's Outing / John Burningham. Jonathan Cape, 1970.

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