Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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