APA (7th ed.) Citation

Smith, N., & Clark, B. (1946). Into Siam: Underground kingdom ([1st ed.].). Bobbs-Merrill company.

Chicago Style (17th ed.) Citation

Smith, Nicol, and Blake Clark. Into Siam: Underground Kingdom. [1st ed.]. Indianapolis, New York: Bobbs-Merrill company, 1946.

MLA (9th ed.) Citation

Smith, Nicol, and Blake Clark. Into Siam: Underground Kingdom. [1st ed.]. Bobbs-Merrill company, 1946.