APA
Oxford University press East Africa Limited, Embweywa H., Mbiyu R., Mwakio C. & Oxford University press East Africa Limited. (1999). Science in Action. Nairobi: Oxford University press East Africa Limited.
Chicago
Oxford University press East Africa Limited, Embweywa Henry, Mbiyu Rose, Mwakio Celestine and Oxford University press East Africa Limited. 1999. Science in Action. Nairobi: Oxford University press East Africa Limited.
Harvard
Oxford University press East Africa Limited, Embweywa H., Mbiyu R., Mwakio C. and Oxford University press East Africa Limited. (1999). Science in Action. Nairobi: Oxford University press East Africa Limited.
MLA
Oxford University press East Africa Limited, Embweywa Henry, Mbiyu Rose, Mwakio Celestine and Oxford University press East Africa Limited. Science in Action. Nairobi: Oxford University press East Africa Limited. 1999.