APA
Heller L., Proceedings of the International Clay Conference v., . (1970). Proceedings of the International Clay Conference, v.2. Israel Universities Press: Jerusalem.
Chicago
Heller Lisa,ed, Proceedings of the International Clay Conference v.2, . 1970. Proceedings of the International Clay Conference, v.2. Israel Universities Press: Jerusalem.
Harvard
Heller L., Proceedings of the International Clay Conference v., . (1970). Proceedings of the International Clay Conference, v.2. Israel Universities Press: Jerusalem.
MLA
Heller Lisa,ed, Proceedings of the International Clay Conference v.2, . Proceedings of the International Clay Conference, v.2. Israel Universities Press: Jerusalem. 1970.