Style de citation APA (7e éd.)

Holmberg, B. (1960). On the methods of teaching by correspondence. C. W. K. Gleerup.

Style de citation Chicago (17e éd.)

Holmberg, Börje. On the Methods of Teaching by Correspondence. Lund: C. W. K. Gleerup, 1960.

Style de citation MLA (9e éd.)

Holmberg, Börje. On the Methods of Teaching by Correspondence. C. W. K. Gleerup, 1960.