Cita APA

Florkin, M., & Scheer, B. T. Chemical zoology: :(Vol.4) Annelida, Echiura and sipuncula.

Chicago Edition Citation

Florkin, Marcel, i Bradley T. Scheer. Chemical Zoology: :(Vol.4) Annelida, Echiura and Sipuncula.

Cita MLA

Florkin, Marcel, i Bradley T. Scheer. Chemical Zoology: :(Vol.4) Annelida, Echiura and Sipuncula.