APA (7th ed.) Citation

(1971). Why a duck?: Visual and verbal gems from the Marx Brothers movies. Darien House.

Chicago Style (17th ed.) Citation

Why a Duck?: Visual and Verbal Gems from the Marx Brothers Movies. New York: Darien House, 1971.

MLA (9th ed.) Citation

Why a Duck?: Visual and Verbal Gems from the Marx Brothers Movies. Darien House, 1971.

Warning: These citations may not always be 100% accurate.