APA (7th ed.) Citation

(1990). Science year 1991: The world book annual science supplement: A review of Science and Technology During the 1990 School year. Оникс.

Chicago Style (17th ed.) Citation

Science Year 1991: The World Book Annual Science Supplement: A Review of Science and Technology During the 1990 School Year. chicago: Оникс, 1990.

MLA (8th ed.) Citation

Science Year 1991: The World Book Annual Science Supplement: A Review of Science and Technology During the 1990 School Year. Оникс, 1990.