APA Style

Ltd, Y, S, P. (2019). The Young Scientist 186 Level 3: How important is the tail rotor of a helicopter? (1st edition). Singapore: Young Scientists.

MLA Style

Ltd, Young, Scientist, Pte. "The Young Scientist 186 Level 3: How important is the tail rotor of a helicopter?". 1st edition Singapore: Young Scientists, 2019. Textbook.