APA (7th ed.) Citation

Mayer, A. L. (1929). A Velazquez problem.

Chicago Style (17th ed.) Citation

Mayer, August Liebmann. A Velazquez Problem. 1929.

MLA (9th ed.) Citation

Mayer, August Liebmann. A Velazquez Problem. 1929.

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