APA引文

Frost, R. (1946). The poems of Robert Frost: With an introductory essay, "The constant symbol," by the author. New York: Modern Library.

Trích dẫn kiểu Chicago

Frost, Robert. The Poems of Robert Frost: With an Introductory Essay, "The Constant Symbol," By the Author. New York: Modern Library, 1946.

MLA引文

Frost, Robert. The Poems of Robert Frost: With an Introductory Essay, "The Constant Symbol," By the Author. New York: Modern Library, 1946.

警告：这些引文格式不一定是100％准确.