APA(7版)引用形式

Howells, M. (1968). Life in letters of William Dean Howells. Russell.

Chicagoスタイル(17版)引用形式

Howells, Mildred. Life in Letters of William Dean Howells. New York: Russell, 1968.

MLA(9版)引用形式

Howells, Mildred. Life in Letters of William Dean Howells. Russell, 1968.