Cita APA (7th ed.)

Lennox, M., Helby, R., & Roberts, J. (1986). The age of the Permian sequence in the Stroud-Gloucester trough. Zenodo.

Cita Chicago (17th ed.)

Lennox, M., R. Helby, i J. Roberts. The Age of the Permian Sequence in the Stroud-Gloucester Trough. Zenodo, 1986.

Cita MLA (9th ed.)

Lennox, M., et al. The Age of the Permian Sequence in the Stroud-Gloucester Trough. Zenodo, 1986.