APA (7th ed.) Citation

Williams, O. W., & Williams, J. C. (1930). The big snow of 1878: [Letter to] Jesse C. Williams, Shanghai, China, February 13, 1933. [publisher not identified].

Chicago Style (17th ed.) Citation

Williams, O. W., and Jesse C. Williams. The Big Snow of 1878: [Letter to] Jesse C. Williams, Shanghai, China, February 13, 1933. [Place of publication not identified]: [publisher not identified], 1930.

MLA (9th ed.) Citation

Williams, O. W., and Jesse C. Williams. The Big Snow of 1878: [Letter to] Jesse C. Williams, Shanghai, China, February 13, 1933. [publisher not identified], 1930.