APA (7th ed.) Citation

Northrup, E. F. (1917). Laws of physical science: A reference book. J.B. Lippincott company.

Chicago Style (17th ed.) Citation

Northrup, Edwin F. Laws of Physical Science: A Reference Book. Philadelphia ; London: J.B. Lippincott company, 1917.

MLA (9th ed.) Citation

Northrup, Edwin F. Laws of Physical Science: A Reference Book. J.B. Lippincott company, 1917.