APA (7th ed.) Citation

Swinnerton, H. H. (1946). Solving earth's mysteries: Or, Geology for girls and boys. G. G. Harrap & Company ltd.

Chicago Style (17th ed.) Citation

Swinnerton, H. H. Solving Earth's Mysteries: Or, Geology for Girls and Boys. London, Toronto [etc.]: G. G. Harrap & Company ltd, 1946.

MLA (8th ed.) Citation

Swinnerton, H. H. Solving Earth's Mysteries: Or, Geology for Girls and Boys. G. G. Harrap & Company ltd, 1946.