APA

Asphalt Institute. Information Series nr 106 [IS-106], . (1963). Origin and development of asphalt. College Park, MD: Asphalt Institute. Information Series nr 106 [IS-106].

Chicago

Asphalt Institute. Information Series nr 106 [IS-106], . 1963. Origin and development of asphalt. College Park, MD: Asphalt Institute. Information Series nr 106 [IS-106].

Harvard

Asphalt Institute. Information Series nr 106 [IS-106], . (1963). Origin and development of asphalt. College Park, MD: Asphalt Institute. Information Series nr 106 [IS-106].

MLA

Asphalt Institute. Information Series nr 106 [IS-106], . Origin and development of asphalt. College Park, MD: Asphalt Institute. Information Series nr 106 [IS-106]. 1963.