Cita APA

Davis, S. N., Reitan, P. H., & Pestrong, R. (1976). Geology: Our physical environment. JMC.

Citación estilo Chicago

Davis, Stanley N., Paul H. Reitan, and Raymond Pestrong. Geology: Our Physical Environment. Quezon City: JMC, 1976.

Cita MLA

Davis, Stanley N., et al. Geology: Our Physical Environment. JMC, 1976.