Van der Land, M. A., Heessen, H. J. L., & Rijnsdorp, A. D. (1990). The result of the 1989 egg surveys for cod and plaice. International Council for the Exploration of the Sea.
Citazione stile Chigago Style (17a edizione)Van der Land, M. A., H. J. L. Heessen, e A. D. Rijnsdorp. The Result of the 1989 Egg Surveys for Cod and Plaice. Netherlands: International Council for the Exploration of the Sea, 1990.
Citatione MLA (9a ed.)Van der Land, M. A., et al. The Result of the 1989 Egg Surveys for Cod and Plaice. International Council for the Exploration of the Sea, 1990.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.