APA (7th ed.) Citation

Lakshmikantham, V., Escultura, E., & Leela, S. (2009). The hybrid grand unified theory. World Scientific.

Chicago Style (17th ed.) Citation

Lakshmikantham, Vangipuram, E. Escultura, and Srinivasa Leela. The Hybrid Grand Unified Theory. Singapore: World Scientific, 2009.

MLA (9th ed.) Citation

Lakshmikantham, Vangipuram, et al. The Hybrid Grand Unified Theory. World Scientific, 2009.