APA (7th ed.) Citation

Atwater,, R. (1988). Mr Popper's Penguin. Little , Brown and Co.,.

Chicago Style (17th ed.) Citation

Atwater,, Richard. Mr Popper's Penguin. Boston :: Little , Brown and Co.,, 1988.

MLA (9th ed.) Citation

Atwater,, Richard. Mr Popper's Penguin. Little , Brown and Co.,, 1988.