Citazione APA

Shepherd, B., Troester, R. R., & Shepherd, M. (1986). Oral history interview with Bill and Mary Shepherd.

Stile di citazione Chicago

Shepherd, Bill, Rosalie Riegle Troester, e Mary Shepherd. Oral History Interview with Bill and Mary Shepherd. 1986.

Citazione MLA

Shepherd, Bill, et al. Oral History Interview with Bill and Mary Shepherd. 1986.