APA (7th ed.) Citation

Roy, S. K. (1938). Additional notes on the Grinnell ice-cap. [publisher not identified].

Chicago Style (17th ed.) Citation

Roy, Sharat Kumar. Additional Notes on the Grinnell Ice-cap. Chicago: [publisher not identified], 1938.

MLA (8th ed.) Citation

Roy, Sharat Kumar. Additional Notes on the Grinnell Ice-cap. [publisher not identified], 1938.

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