APA

Macaulay R., . (1950). The world my wilderness. Boston: Little, Brown and Co.

Chicago

Macaulay Rose, . 1950. The world my wilderness. Boston: Little, Brown and Co.

Harvard

Macaulay R., . (1950). The world my wilderness. Boston: Little, Brown and Co.

MLA

Macaulay Rose, . The world my wilderness. Boston: Little, Brown and Co. 1950.