Cita APA

Chopra, M., & Sanders, D. (2000). Asking “how?” rather than “what, why, where, and who?”. BMJ.

Citación estilo Chicago

Chopra, M., y D. Sanders. Asking “how?” Rather Than “what, Why, Where, and Who?”. BMJ, 2000.

Cita MLA

Chopra, M., y D. Sanders. Asking “how?” Rather Than “what, Why, Where, and Who?”. BMJ, 2000.