Citazione Stile APA (7a Edizione)

Osogo, J. N. B. (1971). Kenya history wallcharts: Descriptive notes for teachers (First published 1968, new edition.). Longman Kenya.

Citazione stile Chigago Style (17a edizione)

Osogo, John N. B. Kenya History Wallcharts: Descriptive Notes for Teachers. First published 1968, new edition. Nairobi: Longman Kenya, 1971.

Citatione MLA (9a ed.)

Osogo, John N. B. Kenya History Wallcharts: Descriptive Notes for Teachers. First published 1968, new edition. Longman Kenya, 1971.