APA (7e ed.) Bronvermelding

Cullen, M. D., Cullen, A., & Riegle, R. G. (1998). Oral history interview with Michael and Annette Cullen.

Chicago (17e ed.) Bronvermelding

Cullen, Michael Denis, Annette Cullen, en Rosalie G. Riegle. Oral History Interview with Michael and Annette Cullen. 1998.

MLA (8e ed.) Bronvermelding

Cullen, Michael Denis, et al. Oral History Interview with Michael and Annette Cullen. 1998.