APA (7th ed.) Citation

Bauer, E. (1973). Wonders of the earth. Collins.

Chicago Style (17th ed.) Citation

Bauer, Ernst. Wonders of the Earth. London: Collins, 1973.

MLA (9th ed.) Citation

Bauer, Ernst. Wonders of the Earth. Collins, 1973.

Warning: These citations may not always be 100% accurate.