Cita APA

Powell, H. B., & Powell, H. B. (1956). The original has this signature-W. K. Kellog. Englewood Cliffs, N.J.: Prentice Hall.

Citación estilo Chicago

Powell, Horace B., y Horace B. Powell. The Original Has This Signature-W. K. Kellog. Englewood Cliffs, N.J.: Prentice Hall, 1956.

Cita MLA

Powell, Horace B., y Horace B. Powell. The Original Has This Signature-W. K. Kellog. Englewood Cliffs, N.J.: Prentice Hall, 1956.