APA
Duffy K. G. (., . (1992). Annual editions. Guilford: Connecticut: The Dushkin.
Chicago
Duffy Karen G (ed), . 1992. Annual editions. Guilford: Connecticut: The Dushkin.
Harvard
Duffy K. G. (., . (1992). Annual editions. Guilford: Connecticut: The Dushkin.
MLA
Duffy Karen G (ed), . Annual editions. Guilford: Connecticut: The Dushkin. 1992.