APA (7th ed.) Citation

Penka, Z., Rositsa, P., & Krastin, Y. (2023). Properties of grey marl bricks with additions of rice husks. Peter the Great St. Petersburg Polytechnic University.

Chicago Style (17th ed.) Citation

Penka, Zlateva, Petkova-Slipets Rositsa, and Yordanov Krastin. Properties of Grey Marl Bricks with Additions of Rice Husks. Peter the Great St. Petersburg Polytechnic University, 2023.

MLA (9th ed.) Citation

Penka, Zlateva, et al. Properties of Grey Marl Bricks with Additions of Rice Husks. Peter the Great St. Petersburg Polytechnic University, 2023.

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