APA引文

Burton, C. J. (1969). Variation studies of some phacopid trilobites of Eruasia and North West Africa.

Chicago Style (17th ed.) Citation

Burton, Christopher J. Variation Studies of Some Phacopid Trilobites of Eruasia and North West Africa. 1969.

MLA引文

Burton, Christopher J. Variation Studies of Some Phacopid Trilobites of Eruasia and North West Africa. 1969.

警告：這些引文格式不一定是100％准確.