Style de citation APA (7e éd.)

Hohfeld, J. M. (1950). An experiment employing two method of teaching Spanish to college freshmen. [s.n.].

Style de citation Chicago (17e éd.)

Hohfeld, John Maurice. An Experiment Employing Two Method of Teaching Spanish to College Freshmen. Philadelphia: [s.n.], 1950.

Style de citation MLA (9e éd.)

Hohfeld, John Maurice. An Experiment Employing Two Method of Teaching Spanish to College Freshmen. [s.n.], 1950.