Cita APA

León Fernández, R. (2017). Two 20th-century psychologists: Viktor E. Frankl and Hans Jürgen Eysenck, two decades after their deaths.

Citación estilo Chicago

León Fernández, Ramón. Two 20th-century Psychologists: Viktor E. Frankl and Hans Jürgen Eysenck, Two Decades After Their Deaths. 2017.

Cita MLA

León Fernández, Ramón. Two 20th-century Psychologists: Viktor E. Frankl and Hans Jürgen Eysenck, Two Decades After Their Deaths. 2017.