APA引文

Cram, I. A. (1972). Litter collection in country areas. Institution of Municipal Engineers.

Chicago Style (17th ed.) Citation

Cram, Ian Alexander. Litter Collection in Country Areas. London: Institution of Municipal Engineers, 1972.

MLA引文

Cram, Ian Alexander. Litter Collection in Country Areas. Institution of Municipal Engineers, 1972.

警告：這些引文格式不一定是100％准確.