Cita APA (7th ed.)

Beutelspacher, H., & Marel, H. W. v. d. (1968). Atlas of electron microscopy of clay minerals and their admixtures: A picture atlas. Elsevier.

Cita Chicago (17th ed.)

Beutelspacher, H., i H. W. van der Marel. Atlas of Electron Microscopy of Clay Minerals and Their Admixtures: A Picture Atlas. Amsterdam: Elsevier, 1968.

Cita MLA (9th ed.)

Beutelspacher, H., i H. W. van der Marel. Atlas of Electron Microscopy of Clay Minerals and Their Admixtures: A Picture Atlas. Elsevier, 1968.