APA (7th ed.) Citation

National Association of Colliery Managers (London, England). Colliery guardian. Fuel & Metallurgical Journals.

Chicago Style (17th ed.) Citation

National Association of Colliery Managers (London, England). Colliery Guardian. Redfiel, England: Fuel & Metallurgical Journals.

MLA (8th ed.) Citation

National Association of Colliery Managers (London, England). Colliery Guardian. Fuel & Metallurgical Journals.

Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.