APA (7th ed.) Citation

Bell, H. S. (1948). Oil shales and shale oils. Van Nostrand.

Chicago Style (17th ed.) Citation

Bell, Harold Sill. Oil Shales and Shale Oils. Toronto [u.a.]: Van Nostrand, 1948.

MLA (9th ed.) Citation

Bell, Harold Sill. Oil Shales and Shale Oils. Van Nostrand, 1948.

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