APA-viite (7. p.)

Fern, A. G., & Nau, B. S. (1976). Seals. Oxford University Press for the Design Council, the British Standards Institution and the Council of Engineering Institutions.

Chicago-viite (17. p.)

Fern, A. G., ja B. S. Nau. Seals. [Oxford]: Oxford University Press for the Design Council, the British Standards Institution and the Council of Engineering Institutions, 1976.

MLA-viite (8. p.)

Fern, A. G., ja B. S. Nau. Seals. Oxford University Press for the Design Council, the British Standards Institution and the Council of Engineering Institutions, 1976.