APA (7th ed.) Citation

Caldecott, R. R. Caldecott's Picture Book (No. 1).

Chicago Style (17th ed.) Citation

Caldecott, Randolph. R. Caldecott's Picture Book (No. 1).

MLA (9th ed.) Citation

Caldecott, Randolph. R. Caldecott's Picture Book (No. 1).

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