APA

Riley C. L., Kelley J. C., Pennington C. W. & Rands R. L. (1976). Man across the sea : problems of pre-columbian contacts. Texas: University of Texas Press.

Chicago

Riley Carroll L, Kelley J Charles, Pennington Campbell W and Rands Robert L. 1976. Man across the sea : problems of pre-columbian contacts. Texas: University of Texas Press.

Harvard

Riley C. L., Kelley J. C., Pennington C. W. and Rands R. L. (1976). Man across the sea : problems of pre-columbian contacts. Texas: University of Texas Press.

MLA

Riley Carroll L, Kelley J Charles, Pennington Campbell W and Rands Robert L. Man across the sea : problems of pre-columbian contacts. Texas: University of Texas Press. 1976.