APA Citation

(1912). Helios: A compilation of boiler room engineering information. Saint Louis: Heine Safety Boiler Co.

Chicago Style Citation

Helios: A Compilation of Boiler Room Engineering Information. Saint Louis: Heine Safety Boiler Co, 1912.

MLA Citation

Helios: A Compilation of Boiler Room Engineering Information. Saint Louis: Heine Safety Boiler Co, 1912.

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