APA
Schiller E., . (1998). Complete defense to queen pawn openings. New York: Cardoza Publishing.
Chicago
Schiller Eric, . 1998. Complete defense to queen pawn openings. New York: Cardoza Publishing.
Harvard
Schiller E., . (1998). Complete defense to queen pawn openings. New York: Cardoza Publishing.
MLA
Schiller Eric, . Complete defense to queen pawn openings. New York: Cardoza Publishing. 1998.