APA (7th ed.) Citation

Nesbit, E., & Brock, C. E. (1960). The railway children. Puffin book.

Chicago Style (17th ed.) Citation

Nesbit, E., and C. E. Brock. The Railway Children. Harmondsworth: Puffin book, 1960.

MLA (9th ed.) Citation

Nesbit, E., and C. E. Brock. The Railway Children. Puffin book, 1960.