Cita APA (7a ed.)

Holsti, O. R. (1969). Content analysis for the social sciences and humanities. Addison-Wesley.

Cita Chicago Style (17a ed.)

Holsti, Ole R. Content Analysis for the Social Sciences and Humanities. Reading [etc]: Addison-Wesley, 1969.

Cita MLA (9a ed.)

Holsti, Ole R. Content Analysis for the Social Sciences and Humanities. Addison-Wesley, 1969.