Style de citation APA (7e éd.)

Johnson, F. C. (1967). The role of English in Papua and New Guinea: Inaugural lecture, April 10th, 1967. University of Papua and New Guinea.

Style de citation Chicago (17e éd.)

Johnson, F. C. The Role of English in Papua and New Guinea: Inaugural Lecture, April 10th, 1967. [Port Moresby: University of Papua and New Guinea, 1967.

Style de citation MLA (8e éd.)

Johnson, F. C. The Role of English in Papua and New Guinea: Inaugural Lecture, April 10th, 1967. University of Papua and New Guinea, 1967.