Cita APA (7a ed.)

Abraham, H. (1948). Asphalts and allied substances: Their occurrence, modes of production, uses in the arts and methods of testing (5th.). Van Nostrand.

Cita Chicago Style (17a ed.)

Abraham, Herbert. Asphalts and Allied Substances: Their Occurrence, Modes of Production, Uses in the Arts and Methods of Testing. 5th. Toronto: Van Nostrand, 1948.

Cita MLA (8a ed.)

Abraham, Herbert. Asphalts and Allied Substances: Their Occurrence, Modes of Production, Uses in the Arts and Methods of Testing. 5th. Van Nostrand, 1948.

Precaución: Estas citas no son 100% exactas.