APA

Allendoerfer C. B., Oakley C. O., . (1955). Principles of mathematics. New York: McGraw-Hill.

Chicago

Allendoerfer Carl B, Oakley Cletus O, . 1955. Principles of mathematics. New York: McGraw-Hill.

Harvard

Allendoerfer C. B., Oakley C. O., . (1955). Principles of mathematics. New York: McGraw-Hill.

MLA

Allendoerfer Carl B, Oakley Cletus O, . Principles of mathematics. New York: McGraw-Hill. 1955.