Παραπομπή σε μορφή APA (7η εκδ.)

Schefold, B., & Reich, H. (1986). On some German-speaking economists of the 19th and early 20th century. Goethe Universitat.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Schefold, Bertram, και Hermann Reich. On Some German-speaking Economists of the 19th and Early 20th Century. [s.l.]: Goethe Universitat, 1986.

Παραπομπή σε μορφή MLA (9th εκδ.)

Schefold, Bertram, και Hermann Reich. On Some German-speaking Economists of the 19th and Early 20th Century. Goethe Universitat, 1986.