Gaya APA

Adams, A, E. et al (1984, 1987, 1988). Atlas of Sedimentary Rocks Under the Microscope (E-Book) . Great Britain: English Language Book Society.

Gaya MLA

Adams, A., E. et al. "Atlas of Sedimentary Rocks Under the Microscope (E-Book)". Great Britain: English Language Book Society, 1984, 1987, 1988. E-book.