APA

Ploeger J., Smith A. H., . (1949). Pictorial atlas of the history of the Union of South Africa. Pretoria: J.L. Van Schaik.

Chicago

Ploeger J, Smith A H, . 1949. Pictorial atlas of the history of the Union of South Africa. Pretoria: J.L. Van Schaik.

Harvard

Ploeger J., Smith A. H., . (1949). Pictorial atlas of the history of the Union of South Africa. Pretoria: J.L. Van Schaik.

MLA

Ploeger J, Smith A H, . Pictorial atlas of the history of the Union of South Africa. Pretoria: J.L. Van Schaik. 1949.