APA Style
Heyward, Du Bose. (1945).
Porgy .
New York:
Penguin Books.
Chicago Style
Heyward, Du Bose.
Porgy.
New York:
Penguin Books,
1945.
Book.
MLA Style
Heyward, Du Bose.
Porgy.
New York:
Penguin Books,
1945.
Book.
Turabian Style
Heyward, Du Bose.
Porgy.
New York:
Penguin Books,
1945.
Book.