APA ציטוט

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.

ציטוט MLA

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