Nieuwkoop, P. D. (1967). Normal table of xenopus laevis (Daudin): A systematical and chronological survey of the development from the fertilized egg till the end of metamorphoses (2. ed.). North-Holland Publ.
Chicago Style (17th ed.) CitationNieuwkoop, Pieter D. Normal Table of Xenopus Laevis (Daudin): A Systematical and Chronological Survey of the Development from the Fertilized Egg Till the End of Metamorphoses. 2. ed. Amsterdam: North-Holland Publ, 1967.
MLA (9th ed.) CitationNieuwkoop, Pieter D. Normal Table of Xenopus Laevis (Daudin): A Systematical and Chronological Survey of the Development from the Fertilized Egg Till the End of Metamorphoses. 2. ed. North-Holland Publ, 1967.
Warning: These citations may not always be 100% accurate.