APA (7th ed.) Citation

Allen, L. D. (1977). Asimov's foundation trilogy and other works: Notes. Cliffs.

Chicago Style (17th ed.) Citation

Allen, L. D. Asimov's Foundation Trilogy and Other Works: Notes. Lincoln, Neb: Cliffs, 1977.

MLA (9th ed.) Citation

Allen, L. D. Asimov's Foundation Trilogy and Other Works: Notes. Cliffs, 1977.

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