Cita APA (7a ed.)

Adamson, J. (1973). Groucho, Harpo, Chico and sometimes Zeppo: A history of the Marx brothers and a satire on the rest of the world. W.H. Allen.

Cita Chicago Style (17a ed.)

Adamson, Joe. Groucho, Harpo, Chico and Sometimes Zeppo: A History of the Marx Brothers and a Satire on the Rest of the World. London: W.H. Allen, 1973.

Cita MLA (9a ed.)

Adamson, Joe. Groucho, Harpo, Chico and Sometimes Zeppo: A History of the Marx Brothers and a Satire on the Rest of the World. W.H. Allen, 1973.