APA Style

Barker, S. et al (2019). Keperawatan gerontik asuhan keperawatan pada lansia = caring for older people in nursing (1). Yogyakarta: Rapha Publishing.

MLA Style

Barker, Sue. et al. "Keperawatan gerontik asuhan keperawatan pada lansia = caring for older people in nursing". 1 Yogyakarta: Rapha Publishing, 2019. Teks.