APA (7th ed.) Citation

Richter, N. B. (1963). The nature of comets / by N.B. Richter. Methuen.

Chicago Style (17th ed.) Citation

Richter, N. B. The Nature of Comets / by N.B. Richter. Methuen, 1963.

MLA (9th ed.) Citation

Richter, N. B. The Nature of Comets / by N.B. Richter. Methuen, 1963.

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