APA (7th ed.) Citation

Rodrigues, V., & Sant’Ana, A. (2009). A note on a problem due to Zelmanowitz. Algebra and Discrete Mathematics.

Chicago Style (17th ed.) Citation

Rodrigues, V.S, and A.A Sant’Ana. "A Note on a Problem Due to Zelmanowitz." Algebra and Discrete Mathematics 2009.

MLA (8th ed.) Citation

Rodrigues, V.S, and A.A Sant’Ana. "A Note on a Problem Due to Zelmanowitz." Algebra and Discrete Mathematics, 2009.

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