APA (7th ed.) Citation

Asimov. Isaac. (1958). The world of nitrogen. Abelard-Schuman.

Chicago Style (17th ed.) Citation

Asimov. Isaac. The World of Nitrogen. London: Abelard-Schuman, 1958.

MLA (9th ed.) Citation

Asimov. Isaac. The World of Nitrogen. Abelard-Schuman, 1958.

Warning: These citations may not always be 100% accurate.