The master question book and home study outlines.
APA Citation
The Frontier Press Company, B., Ruoff, H. W. (Henry Woldmar). (1918). The master question book and home study outlines. Buffalo, N.Y.: The Frontier Press Company.
MLA Citation
The Frontier Press Company, Buffalo, N.Y, and Henry W. (Henry Woldmar) Ruoff. The Master Question Book And Home Study Outlines. Buffalo, N.Y.: The Frontier Press Company, 1918.
Warning: These citations may not always be complete (especially for serials).