APA (7th ed.) Citation

Hamdan, M. (1999). A proper subclass of Maclane's class.

Chicago Style (17th ed.) Citation

Hamdan, May. A Proper Subclass of Maclane's Class. 1999.

MLA (9th ed.) Citation

Hamdan, May. A Proper Subclass of Maclane's Class. 1999.

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