Cita APA

Lockwood, S. C. (1971). Augustine Heard and Company, 18858-1862: American merchants in China. East Asian Research Center, Harvard University.

Citación estilo Chicago

Lockwood, Stephen Chapman. Augustine Heard and Company, 18858-1862: American Merchants in China. Cambridge, Mass: East Asian Research Center, Harvard University, 1971.

Cita MLA

Lockwood, Stephen Chapman. Augustine Heard and Company, 18858-1862: American Merchants in China. East Asian Research Center, Harvard University, 1971.