APA引文

Emerson, W. K. The American Museum of Natural History guide to shells. Land, freshwater, and marine, from Nova Scotia to Florida.

芝加哥风格引文

Emerson, William K. The American Museum of Natural History Guide to Shells. Land, Freshwater, and Marine, from Nova Scotia to Florida.

MLA引文

Emerson, William K. The American Museum of Natural History Guide to Shells. Land, Freshwater, and Marine, from Nova Scotia to Florida.

警告:这些引文格式不一定是100%准确.