APA (7th ed.) Citation

Gibbs, P. (1918). Helen of Landcaster Gate. Simpkin, Marshall.

Chicago Style (17th ed.) Citation

Gibbs, Philip. Helen of Landcaster Gate. London: Simpkin, Marshall, 1918.

MLA (8th ed.) Citation

Gibbs, Philip. Helen of Landcaster Gate. Simpkin, Marshall, 1918.

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