APA (7th ed.) Citation

Mayr, E. (1971). Principles of systematic zoology / by Ernst Mayr. McGraw-Hill.

Chicago Style (17th ed.) Citation

Mayr, Ernst. Principles of Systematic Zoology / by Ernst Mayr. McGraw-Hill, 1971.

MLA (9th ed.) Citation

Mayr, Ernst. Principles of Systematic Zoology / by Ernst Mayr. McGraw-Hill, 1971.

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