APA (7th ed.) Citation

Roy, S. K. (1937). The history and petrography of Frobisher's "Gold ore". [publisher not identified].

Chicago Style (17th ed.) Citation

Roy, Sharat Kumar. The History and Petrography of Frobisher's "Gold Ore". [Chicago]: [publisher not identified], 1937.

MLA (8th ed.) Citation

Roy, Sharat Kumar. The History and Petrography of Frobisher's "Gold Ore". [publisher not identified], 1937.