Não informado. (1968). Biological abstracts list of serials with title abbreviations. Biosciences Information Service of Biological Abstracts.
Citação do estilo Chicago (17ª ed.)Não informado. Biological Abstracts List of Serials with Title Abbreviations. Philadelphia, Pa: Biosciences Information Service of Biological Abstracts, 1968.
Citação MLA (8ª ed.)Não informado. Biological Abstracts List of Serials with Title Abbreviations. Biosciences Information Service of Biological Abstracts, 1968.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.