APA (7e ed.) Bronvermelding

Petrie, C. (1972). A historian looks at his world. Sidgwick and Jackson.

Chicago (17e ed.) Bronvermelding

Petrie, Charles. A Historian Looks at His World. London: Sidgwick and Jackson, 1972.

MLA (8e ed.) Bronvermelding

Petrie, Charles. A Historian Looks at His World. Sidgwick and Jackson, 1972.

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