APA (7th ed.) Citation

Wallace, I. L. (1954). Pookie believes in Santa Claus. Collins.

Chicago Style (17th ed.) Citation

Wallace, Ivy L. Pookie Believes in Santa Claus. London: Collins, 1954.

MLA (9th ed.) Citation

Wallace, Ivy L. Pookie Believes in Santa Claus. Collins, 1954.

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