APA ציטוט

Bulman, O. (1968). Geological Magazine, vol105, (1-6).

Chicago Edition Citation

Bulman, O.M.B. Geological Magazine, Vol105, (1-6). University of Chicago, 1968.

ציטוט MLA

Bulman, O.M.B. Geological Magazine, Vol105, (1-6). 1968.