Cita APA (7th ed.)

Hercules Powder Company. (1927). Hercules detonators, blasting caps, electric blasting caps, delay electric igniters, delay electric blasting caps.

Cita Chicago (17th ed.)

Hercules Powder Company. Hercules Detonators, Blasting Caps, Electric Blasting Caps, Delay Electric Igniters, Delay Electric Blasting Caps. Wilmington, Del, 1927.

Cita MLA (8th ed.)

Hercules Powder Company. Hercules Detonators, Blasting Caps, Electric Blasting Caps, Delay Electric Igniters, Delay Electric Blasting Caps. 1927.