APA (7th ed.) Citation

Godfrey, I. M., Ghisalberti, E. L., Beng, E. W., Byrne, L. T., & Richardson, G. W. The Analysis of Ivory From A marine Environment.

Chicago Style (17th ed.) Citation

Godfrey, I. M., E. L. Ghisalberti, E. W. Beng, L. T. Byrne, and G. W. Richardson. The Analysis of Ivory From A Marine Environment.

MLA (9th ed.) Citation

Godfrey, I. M., et al. The Analysis of Ivory From A Marine Environment.