Cardenal, E., & Pring-Mill, R. D. F. (1977). Apocalypse and other poems. New Directions.
芝加哥风格引文Cardenal, Ernesto, 与 R. D. F. Pring-Mill. Apocalypse and Other Poems. New York: New Directions, 1977.
MLA引文Cardenal, Ernesto, 与 R. D. F. Pring-Mill. Apocalypse and Other Poems. New Directions, 1977.
警告：这些引文格式不一定是100％准确.