Sahih al-Bukhari — Military Expeditions led by the Prophet (pbuh) (Al-Maghaazi) — Hadith No: 4311

Narrated Abu Ja`far:While I and my father were with Jabir bin `Abdullah, some people asked him about taking a bath. He replied, "A Sa` of water is sufficient for you." A man said, "A Sa` is not sufficient for me." Jabir said, "A Sa` was sufficient for one who had more hair than you and was better than you (meaning the Prophet)." And then Jabir (put on) his garment and led the prayer

Narrated `Aisha:The Prophet (ﷺ) and I used to take a bath from a single pot of water after Janaba

Narrated Muhammad bin Al-Muntathir:on the authority of his father that he had asked `Aisha about the saying of Ibn `Umar (i.e. he did not like to be a Muhrim while the smell of scent was still coming from his body). `Aisha said, "I scented Allah's Messenger (ﷺ) and he went round (had sexual intercourse with) all his wives, and in the morning he was Muhrim (after taking a bath)

Narrated Aisha:Whenever any one of us was Junub, she poured water over her head thrice with both her hands and then rubbed the right side of her head with one hand and rubbed the left side of the head with the other hand