APA (7th ed.) Citation

Karan, P. P. (1969). The Kingdom of Sikkim. Association of American Geographers.

Chicago Style (17th ed.) Citation

Karan, Pradyumna P. The Kingdom of Sikkim. S.l. [Washington, D.C.]: Association of American Geographers, 1969.

MLA (9th ed.) Citation

Karan, Pradyumna P. The Kingdom of Sikkim. Association of American Geographers, 1969.

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