APA (7e ed.) Bronvermelding

Krock, A. (1970). Memoirs: Intimate recollections of twelve American presidents from Theodore Roosevelt to Richard Nixon. Cassell.

Chicago (17e ed.) Bronvermelding

Krock, Arthur. Memoirs: Intimate Recollections of Twelve American Presidents from Theodore Roosevelt to Richard Nixon. London: Cassell, 1970.

MLA (8e ed.) Bronvermelding

Krock, Arthur. Memoirs: Intimate Recollections of Twelve American Presidents from Theodore Roosevelt to Richard Nixon. Cassell, 1970.

Let op: Deze citaties zijn niet altijd 100% accuraat.