Dicaeum Hirundinaceum. Swallow Diaeum. (Plate 34)
MLA
Gould, J., et al. Dicaeum Hirundinaceum. Swallow Diaeum. (Plate 34). Printed by Richard and John E. Taylor, 1848. https://collections.library.yale.edu/catalog/2004530.
APA, 6th edition
Gould, J., Hullmandel, C., & Richter, H. C. (1848). Dicaeum Hirundinaceum. Swallow Diaeum. (Plate 34). Printed by Richard and John E. Taylor. https://collections.library.yale.edu/catalog/2004530.