APA

Williams O. L., . (1929). A critical analysis of the specific characters of the genus Acuaria nematodes of birds, with descriptions of new American species. Berkeley, Calif: University of California Press.

Chicago

Williams Owen L, . 1929. A critical analysis of the specific characters of the genus Acuaria nematodes of birds, with descriptions of new American species. Berkeley, Calif: University of California Press.

Harvard

Williams O. L., . (1929). A critical analysis of the specific characters of the genus Acuaria nematodes of birds, with descriptions of new American species. Berkeley, Calif: University of California Press.

MLA

Williams Owen L, . A critical analysis of the specific characters of the genus Acuaria nematodes of birds, with descriptions of new American species. Berkeley, Calif: University of California Press. 1929.