APA

AGTERBERG. F.M, brower. j. c & schwarzacher. w.s. (1985). Quantitative stratigraphy. Paris: Unesco.

Chicago

AGTERBERG. F.M, brower. j. c and schwarzacher. w.s. 1985. Quantitative stratigraphy. Paris: Unesco.

Harvard

AGTERBERG. F.M, brower. j. c and schwarzacher. w.s. (1985). Quantitative stratigraphy. Paris: Unesco.

MLA

AGTERBERG. F.M, brower. j. c and schwarzacher. w.s. Quantitative stratigraphy. Paris: Unesco. 1985.