APA (7th ed.) Citation

Heywood, A. (2013). Minimum Gauge Railways. Project Gutenberg.

Chicago Style (17th ed.) Citation

Heywood, Arthur. Minimum Gauge Railways. Project Gutenberg, 2013.

MLA (9th ed.) Citation

Heywood, Arthur. Minimum Gauge Railways. Project Gutenberg, 2013.

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