APA

Portmann A., Pomerans A. J. (. & Anshen R. N. (. e. (1964). New paths in biology. New York: Harper and row.

Chicago

Portmann Adolf, Pomerans Arnold J (trans.) and Anshen Ruth Nanda (series editor). 1964. New paths in biology. New York: Harper and row.

Harvard

Portmann A., Pomerans A. J. (. and Anshen R. N. (. e. (1964). New paths in biology. New York: Harper and row.

MLA

Portmann Adolf, Pomerans Arnold J (trans.) and Anshen Ruth Nanda (series editor). New paths in biology. New York: Harper and row. 1964.