Cita APA (7a ed.)

Henell, O. (1962). Some science in personal selling: Review of American research. Esselte reklam.

Cita Chicago Style (17a ed.)

Henell, Olof. Some Science in Personal Selling: Review of American Research. Stockholm: Esselte reklam, 1962.

Cita MLA (8a ed.)

Henell, Olof. Some Science in Personal Selling: Review of American Research. Esselte reklam, 1962.