APA Citation

Penney, D. E. ;. Perspectives in Mathematics. W. A. Benjamin, Menlo Park, 1972.

Chicago Style Citation

Penney, David E.. Perspectives in Mathematics. W. A. Benjamin, Menlo Park, 1972.

MLA Citation

Penney, David E.. Perspectives in Mathematics. W. A. Benjamin, Menlo Park, 1972.

Warning: These citations may not always be 100% accurate.