Ziegler, Alan C.. "21. Hawaiian Honeycreepers". Hawaiian Natural History, Ecology, and Evolution, Honolulu: University of Hawaii Press, 2002, pp. 266-276. https://doi.org/10.1515/9780824842437-025
Ziegler, A. (2002). 21. Hawaiian Honeycreepers. In Hawaiian Natural History, Ecology, and Evolution (pp. 266-276). Honolulu: University of Hawaii Press. https://doi.org/10.1515/9780824842437-025
Ziegler, A. 2002. 21. Hawaiian Honeycreepers. Hawaiian Natural History, Ecology, and Evolution. Honolulu: University of Hawaii Press, pp. 266-276. https://doi.org/10.1515/9780824842437-025
Ziegler, Alan C.. "21. Hawaiian Honeycreepers" In Hawaiian Natural History, Ecology, and Evolution, 266-276. Honolulu: University of Hawaii Press, 2002. https://doi.org/10.1515/9780824842437-025
Ziegler A. 21. Hawaiian Honeycreepers. In: Hawaiian Natural History, Ecology, and Evolution. Honolulu: University of Hawaii Press; 2002. p.266-276. https://doi.org/10.1515/9780824842437-025