APA

Spencer E. W., . (1977). Introduction to the structure of the earth. Tokyo, Japan: McGraw-Hill Kogakusha.

Chicago

Spencer Edgar W, . 1977. Introduction to the structure of the earth. Tokyo, Japan: McGraw-Hill Kogakusha.

Harvard

Spencer E. W., . (1977). Introduction to the structure of the earth. Tokyo, Japan: McGraw-Hill Kogakusha.

MLA

Spencer Edgar W, . Introduction to the structure of the earth. Tokyo, Japan: McGraw-Hill Kogakusha. 1977.