Cite

[30] 30. [Portrait of Seven Men including] Col Hawkins RE Commr Lieut Darrah R.E. Capt Haig RA Astronomer

MLA

[30] 30. [Portrait of Seven Men Including] Col Hawkins RE Commr Lieut Darrah R.E. Capt Haig RA Astronomer. 0AD. https://collections.library.yale.edu/catalog/2040089.

APA, 6th edition

[30] 30. [Portrait of Seven Men including] Col Hawkins RE Commr Lieut Darrah R.E. Capt Haig RA Astronomer. (0 C.E.). [Group portraits, Photographic prints, Photographs, Prints (Visual works)]. https://collections.library.yale.edu/catalog/2040089.