The horizon book of railways

MLA

Simmons, Paul, and Willem Van Genk. The Horizon Book of Railways. London: P. Hamlyn, 1961.

APA

Simmons, P., & Van Genk, W. (1961). The horizon book of railways. London: P. Hamlyn.

Chicago

Simmons, Paul, and Willem Van Genk. The Horizon Book of Railways. London: P. Hamlyn, 1961.