Cita APA

Verma, S. P. (1985). Preface. Mexican Volcanic Belt. Part 1: Part 1.

Citación estilo Chicago

Verma, S. P. Preface. Mexican Volcanic Belt. Part 1: Part 1. 1985.

Cita MLA

Verma, S. P. Preface. Mexican Volcanic Belt. Part 1: Part 1. 1985.