APA (7th ed.) Citation

Roth, G. (1962). The system of minor planets. Van Nostrand.

Chicago Style (17th ed.) Citation

Roth, G.D. The System of Minor Planets. Princeton, New Jersey: Van Nostrand, 1962.

MLA (9th ed.) Citation

Roth, G.D. The System of Minor Planets. Van Nostrand, 1962.