APA (7th ed.) Citation

Andersen, H. C., & Rees, E. D. (1911). The princess and the pea. "Geographia".

Chicago Style (17th ed.) Citation

Andersen, H. C., and E. Dorothy Rees. The Princess and the Pea. London: "Geographia", 1911.

MLA (9th ed.) Citation

Andersen, H. C., and E. Dorothy Rees. The Princess and the Pea. "Geographia", 1911.

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