APA Style

Halim, Steven, Halim, Felix, Effendy, Suhendry. (2020). Competitive Programming 4 The Lower Bound of Programming Contests in the 2020s (Book 2 - Chapter 5-9). Singapore: SIMCC & Noble Education.

Chicago Style

Halim, Steven, Halim, Felix, Effendy, Suhendry. Competitive Programming 4 The Lower Bound of Programming Contests in the 2020s. Book 2 - Chapter 5-9 Singapore: SIMCC & Noble Education, 2020. Text.

MLA Style

Halim, Steven, Halim, Felix, Effendy, Suhendry. Competitive Programming 4 The Lower Bound of Programming Contests in the 2020s. Book 2 - Chapter 5-9 Singapore: SIMCC & Noble Education, 2020. Text.

Turabian Style

Halim, Steven, Halim, Felix, Effendy, Suhendry. Competitive Programming 4 The Lower Bound of Programming Contests in the 2020s. Book 2 - Chapter 5-9 Singapore: SIMCC & Noble Education, 2020. Print.