APA aipamena

Firkins, O. W., & Firkins, I. T. E. (1934). Memoirs and letters of Oscar W. Firkins. University of Minnesota Press.

Chicago Style aipamena

Firkins, Oscar W., and Ina Ten Eyck Firkins. Memoirs and Letters of Oscar W. Firkins. Minneapolis: University of Minnesota Press, 1934.

MLA aipamena

Firkins, Oscar W., and Ina Ten Eyck Firkins. Memoirs and Letters of Oscar W. Firkins. University of Minnesota Press, 1934.