Unpublished stegosaur plates I-LXIV
MLA
Marsh, Othniel Charles. Unpublished Stegosaur Plates I-lxiv. [New Haven?, [8980?]
APA, 7th edition
Marsh, O. Charles. ([8980?]). Unpublished stegosaur plates I-LXIV. [New Haven?
Chicago, 17th edition
Marsh, Othniel Charles. Unpublished stegosaur plates I-LXIV. [New Haven?, [8980?]