(1970). The door standing open; new and selected poems, 1954-1969.
芝加哥风格引文The Door Standing Open; New and Selected Poems, 1954-1969. 1970.
MLA引文The Door Standing Open; New and Selected Poems, 1954-1969. 1970.
警告：这些引文格式不一定是100％准确.
APA引文