Cita APA (7a ed.)

Bohra, D. R., & Sharma, B. D. (1978). Petrified schizaeaceous sporangia from the Jurassic of Rajmahal Hills, India.

Cita Chicago Style (17a ed.)

Bohra, D. R., y B. D. Sharma. Petrified Schizaeaceous Sporangia from the Jurassic of Rajmahal Hills, India. 1978.

Cita MLA (8a ed.)

Bohra, D. R., y B. D. Sharma. Petrified Schizaeaceous Sporangia from the Jurassic of Rajmahal Hills, India. 1978.