Cita APA (7a ed.)

Sears, D. A. (1973). Harbrace guide to the Library and the research paper (3.). Hartcourt brace jovanovich.

Cita Chicago Style (17a ed.)

Sears, Donald A. Harbrace Guide to the Library and the Research Paper. 3. New York, Estados Unidos: Hartcourt brace jovanovich, 1973.

Cita MLA (9a ed.)

Sears, Donald A. Harbrace Guide to the Library and the Research Paper. 3. Hartcourt brace jovanovich, 1973.