APA
Barzun J., . (1977). The Modern Researcher. New York: Harcourt Brace Jovanovich Inc.
Chicago
Barzun Jacques, . 1977. The Modern Researcher. New York: Harcourt Brace Jovanovich Inc.
Harvard
Barzun J., . (1977). The Modern Researcher. New York: Harcourt Brace Jovanovich Inc.
MLA
Barzun Jacques, . The Modern Researcher. New York: Harcourt Brace Jovanovich Inc. 1977.
