APA

Deignan H. G., . (1961). Type specimens of birds in the United States National Museum. [Washington: U.S. Govt. Print. Off.

Chicago

Deignan Herbert G, . 1961. Type specimens of birds in the United States National Museum. [Washington: U.S. Govt. Print. Off.

Harvard

Deignan H. G., . (1961). Type specimens of birds in the United States National Museum. [Washington: U.S. Govt. Print. Off.

MLA

Deignan Herbert G, . Type specimens of birds in the United States National Museum. [Washington: U.S. Govt. Print. Off. 1961.