Cita APA (7a ed.)

International Clay Conference, International Association for Clay Research, editor, Sociedad Española de Arcillas., editor, Serratosa, J. M., Sánchez, A., & Hidalgo, A. (1972). Prepints, International Clay Conference: Madrid, June 25-30, 1972. S.E.A.

Cita Chicago Style (17a ed.)

International Clay Conference, editor International Association for Clay Research, editor Sociedad Española de Arcillas., José María Serratosa, A. Sánchez, y A. Hidalgo. Prepints, International Clay Conference: Madrid, June 25-30, 1972. Madrid: S.E.A, 1972.

Cita MLA (9a ed.)

International Clay Conference, et al. Prepints, International Clay Conference: Madrid, June 25-30, 1972. S.E.A, 1972.