Cita APA (7th ed.)

Grossling, B. F. (1976). Window on oil: A survey of world petroleum sources. Financial Times.

Cita Chicago (17th ed.)

Grossling, Bernardo F. Window on Oil: A Survey of World Petroleum Sources. London: Financial Times, 1976.

Cita MLA (9th ed.)

Grossling, Bernardo F. Window on Oil: A Survey of World Petroleum Sources. Financial Times, 1976.