Cita APA (7a ed.)

Hey, M. H. (1963). Appendix to the second edition of An index of mineral species and varieties arranged chemically. Trustees of the British Museum.

Cita Chicago Style (17a ed.)

Hey, Max H. Appendix to the Second Edition of An Index of Mineral Species and Varieties Arranged Chemically. London: Trustees of the British Museum, 1963.

Cita MLA (9a ed.)

Hey, Max H. Appendix to the Second Edition of An Index of Mineral Species and Varieties Arranged Chemically. Trustees of the British Museum, 1963.