APA (7th ed.) Citation

Eva Obbotson & Morpurgo , M. (2011). Journey to the River Sea. Macmillan Children's Books.

Chicago Style (17th ed.) Citation

Eva Obbotson and Michael Morpurgo. Journey to the River Sea. London: Macmillan Children's Books, 2011.

MLA (9th ed.) Citation

Eva Obbotson and Michael Morpurgo. Journey to the River Sea. Macmillan Children's Books, 2011.

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