APA (7th ed.) Citation

Raymond Briggs. (1987). Fungus the bogeyman. Penguin books.

Chicago Style (17th ed.) Citation

Raymond Briggs. Fungus the Bogeyman. London: Penguin books, 1987.

MLA (9th ed.) Citation

Raymond Briggs. Fungus the Bogeyman. Penguin books, 1987.

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