Cite

[Fred Thomson petting white horse, with arm around a clergy man], lobby card, 11 x 14

MLA

[Fred Thomson Petting White Horse, with Arm around a Clergy Man], Lobby Card, 11 x 14. 0AD. https://collections.library.yale.edu/catalog/2019961.

APA, 6th edition

[Fred Thomson petting white horse, with arm around a clergy man], lobby card, 11 x 14. (0 C.E.). https://collections.library.yale.edu/catalog/2019961.