Citazione Stile APA (7a Edizione)

Regional Conference for Africa, 6th, Durban, Pells, P. J. N., & Robertson, A. M. G. (1976). Soil mechanics and foundation engineering: Proceedings of the sixth Regional Conference for Africa, Durban, 1975. A. A. Balkema.

Citazione stile Chigago Style (17a edizione)

Regional Conference for Africa, 6th, Durban, P. J. N. Pells, e A. Mac G. Robertson. Soil Mechanics and Foundation Engineering: Proceedings of the Sixth Regional Conference for Africa, Durban, 1975. Cape Town: A. A. Balkema, 1976.

Citatione MLA (8a ed.)

Regional Conference for Africa, 6th, Durban, et al. Soil Mechanics and Foundation Engineering: Proceedings of the Sixth Regional Conference for Africa, Durban, 1975. A. A. Balkema, 1976.