Citazione APA

Zook, A., Zook, A., & Troester, R. R. (1989). Oral history interview with Albert and Anna Zook.

Stile di citazione Chicago

Zook, Albert, Anna Zook, e Rosalie Riegle Troester. Oral History Interview with Albert and Anna Zook. 1989.

Citazione MLA

Zook, Albert, et al. Oral History Interview with Albert and Anna Zook. 1989.