APA (7th ed.) Citation

Berlage, H. P. (1968). The origin of the solar system. pergamon Press.

Chicago Style (17th ed.) Citation

Berlage, H. P. The Origin of the Solar System. Oxford: pergamon Press, 1968.

MLA (9th ed.) Citation

Berlage, H. P. The Origin of the Solar System. pergamon Press, 1968.