Cite

Pilgrims of the plains

MLA

[A. Bobb--- sc], A. R. W[aud]. Pilgrims of the plains. undated. https://collections.library.yale.edu/catalog/2016149.

APA, 6th edition

[A. Bobb--- sc], & A. R. W[aud]. (undated)[Pilgrims of the plains]. https://collections.library.yale.edu/catalog/2016149.