Cita APA

Richter, H. P., & Kroll, E. (1973). I was there. Longman Young.

Citación estilo Chicago

Richter, Hans Peter, y Edite Kroll. I Was There. Harmondsworth: Longman Young, 1973.

Cita MLA

Richter, Hans Peter, y Edite Kroll. I Was There. Longman Young, 1973.