APA引文

Webster, R. (1970). Gems : their sources, descriptions and: Identification. Butterworths.

Chicago Style (17th ed.) Citation

Webster, Robert. Gems : Their Sources, Descriptions and: Identification. London: Butterworths, 1970.

MLA引文

Webster, Robert. Gems : Their Sources, Descriptions and: Identification. Butterworths, 1970.

警告：這些引文格式不一定是100％准確.