APA

Hurd P. D., Moure J. S., . (1963). A classification of the large carpenter bees (Xylocopini, Hymenoptera: Apoidea). Berkeley: University of California Press.

Chicago

Hurd Paul David, Moure Jesus S, . 1963. A classification of the large carpenter bees (Xylocopini, Hymenoptera: Apoidea). Berkeley: University of California Press.

Harvard

Hurd P. D., Moure J. S., . (1963). A classification of the large carpenter bees (Xylocopini, Hymenoptera: Apoidea). Berkeley: University of California Press.

MLA

Hurd Paul David, Moure Jesus S, . A classification of the large carpenter bees (Xylocopini, Hymenoptera: Apoidea). Berkeley: University of California Press. 1963.