APA (7th ed.) Citation

PETERSEN, A. (1964). Elementary Method. Rubank Inc.

Chicago Style (17th ed.) Citation

PETERSEN, A.C. Elementary Method. Rubank Inc, 1964.

MLA (8th ed.) Citation

PETERSEN, A.C. Elementary Method. Rubank Inc, 1964.

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