Camping
MLA
Hayward & Muzzall, Hayward, E. J., b. 1838. Camping. Box 18 | Folder : Hayward & Muzzall. undated. https://collections.library.yale.edu/catalog/10466778.
APA, 6th edition
Hayward & Muzzall, & Hayward, E. J., b. 1838. (["Box 18 | Folder : Hayward & Muzzall"])(undated)[Camping]. https://collections.library.yale.edu/catalog/10466778.