APA Citation

Villalobos, C. R. (1973). Ptychophallus costaricensis, a new freshwater crab from Costa Rica.

Citación estilo Chicago

Villalobos, Carlos R. Ptychophallus Costaricensis, a New Freshwater Crab From Costa Rica. 1973.

MLA Citation

Villalobos, Carlos R. Ptychophallus Costaricensis, a New Freshwater Crab From Costa Rica. 1973.

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