APA ציטוט

Donaldson, H. (1965). Coal. Published for the Nuffield Foundation by the Longmans/ Penguin Books.

Chicago Style (17th ed.) Citation

Donaldson, H. Coal. London: Published for the Nuffield Foundation by the Longmans/ Penguin Books, 1965.

ציטוט MLA

Donaldson, H. Coal. Published for the Nuffield Foundation by the Longmans/ Penguin Books, 1965.