Cita APA (7th ed.)

Anderson, J. K., & Coffin, H. G. (1977). Fossils in focus. Zondervan.

Cita Chicago (17th ed.)

Anderson, J. Kerby, i Harold G. Coffin. Fossils in Focus. Michigan: Zondervan, 1977.

Cita MLA (9th ed.)

Anderson, J. Kerby, i Harold G. Coffin. Fossils in Focus. Zondervan, 1977.